Tapered strap element for an electrical fuse
CA 1083647 A · Owner: Westinghouse Electric Corporation · Inventors: Blewitt, Donald D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electrical fuse is taught having a ribbon-like fuse element therein. The fuse element has a generally uniform width along its length, but the depth of the fuse element is tapered in some regions. Holes or openings of various shapes are disposed along the length of the fuse through the depth thereof. The holes may be circular triangular, or rectangular in shape and may be through a central portion of the fuse element or may comprise notches at the edges of the fuse element or both. The depth of the fuse element may increase with longitudinal distance from a relatively thin central portion of the fuse element to relatively thick end portion thereof, or vice versa. During low current …
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
- Granted August 12, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 12, 1997.
- 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.