Pneumatic flat pads
CA 1134075 B · Owner: Vetter, Manfred · Inventors: Vetter, Manfred; Kempken, Hans
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pneumatic flat pad is provided herein. It includes two opposed covers of flexible material which are spaced apart from each other and which are joined at their margins by a marginal joint so that the two covers and lateral marginal joint cooperate to form between them a hermetically sealed hollow space. A plurality of reinforcing sheets are embedded within the covers, each of the covers being reinforced by at least one such embedded sheet. An attachment is provided for connecting the hollow space to a source of compressed air. This attachment lies parallel to the covers and is located at one corner of the pneumatic flat pad and leads through the corner of the pad to the outside. This …
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 September 11, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 11, 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.