Compact fluorescent lamp
CA 2625829 C · Owner: Skirtlight S.A. · Inventors: Luczenbacher, Janos Istvan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Compact fluorescent lamp having a known base (1) a central hollow column (2), attached to the base (1) and the outer surface of which has a heat- and lightreflecting coating; a cap (3) closing the hollow column (2); and one or more light-radiating members (4) secured to the cap (3) and/or to the hollow column (2). The light-radiating members (4) start from the hollow column (2) and connect to electronic and electric elements and pass through the holes (3b) of the hollow column and/or the cap (3). The lamp further comprises a guide-ring (11) to support the light-radiating members (4) extending until or beyond the meeting boundary edge of the base (1) and the hollow column (2). The …
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 October 26, 2005 and granted March 26, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 26, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.