Weather protective roofing for light aircraft
CA 1286077 C · Owner: Felber, Josef · Inventors: Felber, Josef
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A weather protective roofing structure for small aircraft comprising a plurality of hemispherical bars which are supported in a rotatable manner around a common axis, which bars are attached to. and covered with a plurality of covering material segments forming a, hemispherical cover. The hemispherical bars are rotatable around the common axis by means of a tackle apparatus and an electrical winch during assembly of the roofing structure to form an enclosure, and during disassembly and folding of the hemispherical cover. Assembly and, disassembly are facilitated by means of two torsion springs provided at the hinge assemblies and attached to the outermost bar.
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 16, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 16, 2008.
- 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.