[mango]

Сообщение от Alex25

Так ... общая информация

which is usually 20 years from the filing date[3] subject to the payment of maintenance fees.

http://en.wikipedia.org/wiki/Patent

Ха, два раза ха.
В стиле Флэша я так скажу "Википедии верить- ..."
+ Usually

UPD
http://forums.watchuseek.com/printth...2&pp=20&page=2

Panerai patented crown-lock as functional gadget in 1960:
http://www.paneristi.com/archives/pa...ai_patent1.gif
http://www.paneristi.com/archives/pa...ai_patent2.gif

In this days has Panerai patented only shape of crown-guard as trademark.
http://isdv.upv.cz/obr/ozwipo/598/736598.jpg