Pair of goggles and the manufacturing method thereof
CA 1320613 C · Owner: Cheng, Chensan · Inventors: Cheng, Chensan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pair of goggles includes a transparent goggle body of flexible sheet material which may be worn on the head of a person. The goggle body is unitary and has a front shield, an upper shield extending rearwardly from the upper edge of the front shield and, a pair of opposed side shields respectively extending rearwardly from two opposite side edges of the front shield and coupled with the upper shield. The manufacturing method of the goggle body includes the steps of (1) pressing and shearing a large sheet material into a small sheet material of a predetermined outline which has a front shield area an, upper shield area, and two side shield areas; and (2) folding the upper and side shield …
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 July 27, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 27, 2010.
- 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.