Eyeglass frame structure and method of assembling same
CA 1267800 C · Owner: American Optical Corporation · Inventors: Metcalfe, Richard T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is an eyeglass frame and method of assembling the same in which a temple includes a pair of parallel ears which extend from one end of the temple. Each ear includes a pin receiving hole, and on the facing surfaces of the ears a ramped, slot extends from the hole to one of the side surfaces. The depth of the slot increases as it approaches the side surface. The lens supporting structure includes a single extension member with a pin supporting hole. The pin is inserted into this hole and the lens supporting structure and the temple are brought together so that the two ends of the pin are aligned with the two slots on the temple. As the temple and the lens supporting structure are …
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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 April 17, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 17, 2007.
- 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.