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What an old dunhill unique lighter patent no 43752 might be worth It seems to be a metal maybe silver because it is very tarnished?
Goldygirl
I cannot say but the Dunhill brand is a highly sought after one. If your lighter is silver, possible as much as a hundred bucks.
Wiki User
∙ 14y ago
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How do you date a dunhill lighter?
Anything with a patent number or serial number is in the 70's or later. Anything before the 70's may just say PATENTED and the serial number is inside the casing. It is not recommended to disassemble yourself but if you keep the bank in tact and just unscrew it from the case, you're fine. If it doesn't say PATENTED but still says made in switzerland and the Dunhill logo, most likely from before the 40's.
Anybody know what a megills universal patent is and is it worth anything?
It is a patent for an old lighter, invented by some Megill.
What is a blocking patent?
A blocking patent is a patent relating to a particular area of technology which prevents another patent from being used because the other patent relies on technology covered by the first.
Do dunhill lighters have special flints?
I guess they do because they last so very long.... THE ROLLAGAS MODELS USE A DUNHILL RED FLINT IT IS 3 MM IN DIA MADE OF SOFTER MATERIAL TO MINIMISE WEAR ON THE FLINT WHEEL OTHER MODELS USE A DUNHILL BLUE FLINT THIS IS 2.5 MM IN DIA AS ARE MOST OTHER MAKERS FLINTS FOR MANY OTHER DUNHILL ANSWERS VISIT ~gordonbyast dunhills .com ps THERE IS A LOT OF CRAP ABOUT SERIAL NUMBERS BEING ON THE OUT SIDE AFTER 1970 ETC DUNHILL PUT THE SERIAL NUMBERS INSIDE UP UNTILL 1995 ONLY THEN DID THE PUT THEM ON THE BASE ALSO DO NOT GET CONFUSED WITH THIS NUMBER USRE 24163 THIS IS A PATENT NUMBER ONLY TO DAT YOUR ROLLAGAS 56-71 BARREL HINGE 71-85 CONCEALED HINGE 85-95 D EMBLEM ON FRONT 95- 2005 SERIAL ON BASE 2005 - NEW MODEL FLAME ADJ ON THE BASE THIS IS VERY MUCH SIMPLIFIED BUT AS GUIDE ONLY
What is the value of a colibri lighter patent no 321323?
Simular items may be found at Go Antiques. See the link. All antique values are dependent on the desireablity of the item.
Difference between patent and patent pending?
A patent is a grant from a patent office, such as the United States Patent Office. "Patent Pending" is a phrase that an application for a patent has been filed and is in some stage in the process of obtaining a patent. Thus, a patent can be presently enforced while a patent that is merely pending is unenforceable but can mature into a patent that can be enforced. Once the pending patent matures, the patent owner can sue for back damages or reasonable royalties starting from the filing date of the patent.
What is the value of 1941 beattie jet lighter?
Beattie Jet Lighters were made from the mid-1940s until 1961. The jet lighter was first invented by London-based Guy S. Barker in 1929. He filed his U.S. Patent on November 5th, 1930 and was granted his patent on January 17th, 1933. Inventor William E. Evans, who worked for the Waterbury Lock and Specialty Company of Milford Connecticut, created a refined design based on Barker's original work. Evans filed his patent on August 25, 1939 and was granted a patent on May 20, 1941. Yet a third jet lighter design was created by Francis Leslie Phillips who received his patent approval on December 30, 1947. Phillips design is almost an exact duplicate of Evans' earlier design. It is possible to differentiate earlier Beattie Jet lighters from later versions by both the patent number(s) listed on the lighter and by the typography engraved onto the lighters' bottoms. Earlier lighters list Guy Barker's patent number: 1894300 Later versions list both the Evans patent number (2242906) and the Phillips patent number (2433707). Oddly, some Phillips-designed lighters with a reservoir fill screw on the bottom list the Barker patent number and not the Phillips number. Sometime prior to 1944, the patent rights to manufacture the Beattie Jet lighter were acquired by Robert W. Beattie of Brooklyn New York. Beattie, who grew up in Upstate New York in the Long Lake area attended the Manual Training High School, an engineering and technical school where he developed an appreciation for ingenuity in invention. Though the Beatties lived in Brooklyn where they operated a pre-school, Beattie and his wife, Elvira, owned and operated a summer camp - Camp Beattie - located on the west shore of Long Lake. The camp is no longer in operation; it has become a private residence. Robert Beattie was also apparently an early marketer and/or distributor for the original Jet lighter made in England. The Beattie Jet Lighter was produced in nickel plate, chrome plate, engine-turned chrome, heavy silver plate, heavy gold plate, and in solid sterling silver. One could buy them encased in lizard, morocco, and pig skin leathers. Prices ranged from $6.95 to $49.00 for the solid sterling models. A desk model in either morocco or pigskin was sold for $11.95. Champ also produced the Champ Jet Stream lighter (c. 1950) which was essentially the same, as did Lord Chesterfield (c. 1955) and MasterCraft Spit Fire (c. 1955). Rogers produced the Rocket Flame Lighter in Japan (c. 1958). The Jet lighter, made in England and marketed by Robert Beattie, was probably the oldest - patented in 1929.
Is there any training on how to get a patent from the patent office?
There are not training offered from the patent office on getting a patent. The patent office advises you to seek guidance from a trademark/patent attorney. A good attorney is highly suggested by the patent office. As a convenience, they have a roster of local Patent Attorneys.
Why did Walter Hunt sell his safety pin patent?
He sold the patent because he owed a man fifteen dollars. He it to the man he owed money to for four hundred dollars.
What is patent revocation?
Patent revocation is the removal of patent protection from an invention.
Who owns patent for r-134a?
Since Dupont invented it, one would suppose Dupont once owned the patent for it. However, it would have expired or lapsed many years ago because they started using it in the early 1930s. So, in other words, there is no patent for R-11.
Patent number on antique ..how to look up the original patent?
If it is a U.S. patent, you can go to the USPTO website for patent searches and enter the number in "patent number search".
