You will have to call Browning to find out.
Try the blue book of firearms value or call browning
1971
The BL22 was made from 1970-2003.I would contact Browning directly and their customer service dept can identify the year of manufacture for you.
The serial number is not correct for a BL22. It should have letters associated within the number. Please re-check and ask again. Thank you
You will have to contact Browning to find out.
50-400 usd
Can't be answered since no serial number was provided.
1971, up to 500 USD
Once a patent expires, the invention can be manufactured by anyone.
There are actually no age limits on buying a patent -- it just has to be your own and you're all set.
Old enough to invent something patentable.
It is a patent for an old lighter, invented by some Megill.