Vibration, shock and heat-resistant lamp-base combination structure
CA 2048324 A1 · Owner: Steiner, Hermann · Inventors: Schoenherr, Walter; Steiner, Hermann; Braun, Alfred
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
To improve shock and vibration resistance and heat dissipation of an attachment element (l) coupling the pinch seal (3) of a halogen incandescent lamp (2) to a plastic base (6), the attachment element is formed of two identical half-sections, surrounding the pinch seal in the shape of a cuff (4) and connected to a flange or skirt by an intermediate heat dissipation and shock absorbing portion (7 11, 12, 13, 14). Preferably, the intermediate portion forms a connecting section, which can be bent into U or double U configuration off the upper region of the flange or skirt portion (8a 8b), to provide a large heat radiating surface while retaining the pinch seal of the lamp between undulating …
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
- Filed August 1, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 1, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 1, 2013.
- 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.