Flashlamp assembly with tapered housing
CA 1111815 A · Owner: Gte Sylvania Incorporated · Inventors: Bonazoli, Robert P.; Morgan, William H. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A disposable, manually operable flashlamp assembly which uses a percussively-ignitable flashlamp. The assembly includes a housing with a tapered end and a tubular light-transmitting end in which is positioned the flashlamp's envelope. The tapered end cocks a spring during insertion of the housing within an orificed base member afterwhich the spring aligns with a recess in the housing. The spring enters the recess to strike a portion of theflashlamp's projecting primer tube. causing the flashlamp to fire. - 1 -
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted November 3, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 3, 1998.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.