Frameless window sash construction for motor coaches and the like
CA 1057796 A · Owner: Niessner, Adam · Inventors: Niessner, Adam
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sheet of tempered glass laminated glass or clear plas-, tic forms a frameless window panel. Hinges and catch plates and pull handles are bolted adjacent the perimeter of the sheet through shock absorbing bushings with the sheet sealing against flexible sealing means secured around the window opening thus eliminating all frame members for the panel and reducing the weight of a conventional window by approximately 35% to 40%.
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 3, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 3, 1996.
- 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.