Package for fragile articles
CA 2071796 A1 · Owner: Keyes Fibre Company · Inventors: Vigue, Henry R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A molded, one-piece stackable package for fragile articles, such as circuline fluorescent light bulbs with bulbshaped adapters and attached fittings, has a bottom tray and a top cover mutually hinged together respectively at one side wall. The tray interior has a center support defining an annular trough between the tray side walls and the support in which the circuline bulb will nest without substantial lateral movement. The center support also defines a cavity contoured and tapered to partially receive a light-bulb shaped article. Corner posts and a center foot extend from the outer surface of the bottom of the tray to support the tray. The cover has a second center support with a second …
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 June 22, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 22, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 22, 2014.
- 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.