Interchangeable clamp for use in a sewing machine
CA 2113838 A1 · Owner: Mim Industries, Inc. · Inventors: Conley, Ralph Franklin, Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An interchangeable clamp (30) having a plurality of interchangeable members (56, 58, 60) which can be secured together to provide a clamp frame (66) having a predetermined configuration. The predetermined configuration and clamp area of the clamp frame can be changed by substituting the interchangeable members with other interchangeable members having different shapes or sizes. The interchangeable members may be selected from a set of interchangeable members which make it easy for a user to change the configuration of the interchangeable clamp.
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 10, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 10, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 10, 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.