Insect protection for openings of buildings and process for manufacturing this insect protection
CA 1186178 A · Owner: Adler, (L. & E.) Kg · Inventors: Adler, Leopold
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides an insect protection for use in the openings of buildings comprising a net of flexible weather-resistant and corrosion-resistant material provided with horizontal folds, so as to be upwardly and downwardly moveable between a first open position in which it is, folded concentric wise at the folds and leaves the opening of the building at least partially free, and a second essentially extended closed position, in which it closes the opening of the building, the net being disposable within the opening of the building and having in an undeformed condition a width greater than the distance between the lateral boundary surfaces of the opening of the building such …
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 April 30, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 30, 2002.
- 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.