Apparatus entailing adhesive bonding
CA 2063847 A1 · Owner: American Telephone And Telegraph Company · Inventors: Roy, Apurba; Dahringer, Donald William; Jhaveri, Ketan Bharatkumar
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, Cost and performance advantage are realized in a class of magnetic core transformers and inductors in which fabrication entails joining of core portionspartially enclosed within windings. Bonding is accomplished by use of thermosetting adhesive which is introduced in the uncured state by capillarity betweenprepositioned aleady-mated surfaces to be bonded followed by curing.
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 March 24, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 24, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 24, 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.