U.S pat: #2,415,012
R.T. James filed a patent application on the slinky on 21 August 1946. The patent issued in January 1947 as patent number 2,415,012.
A slinky typically has around 80 to 100 rings. The exact number can vary depending on the size and design of the slinky.
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".
Patent pending is a warning that a patent application has been filed. It is completely worthless until and unless a patent is actually issued for that invention. Patent number notice means a patent with that number was issued for the invention that is implemented in the product labeled with that number.
There is no specific patent number for the mailbox.
the patent number is 5209584
A patent number is the code that helps identify an invention.
The length of wire needed to make a slinky can vary depending on the size and number of coils. A standard slinky typically contains about 67 feet of wire.
NASA took a slinky into space on mission STS-51-F, also known as Space Shuttle Challenger mission in 1985. The slinky was used to demonstrate principles of microgravity in space.
a slinky a slinky fun for everyone a slinky a slinky
To find a patent number for a specific invention, you can search the United States Patent and Trademark Office (USPTO) website. Use keywords related to the invention to locate the patent in the database. The patent number will be listed on the patent document once you find it.
The US patent number is US 7198789 B2.