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Expired Canadian patentCanada

Drop-out explusion fuse

CA 1292264 C · Owner: Morgan, David Evan · Inventors: Morgan, David Evan

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

An ejecta trap for a drop out expulsion fuse of the type comprising an elongate insulating body with a conductive head fitting and tail socket. The tail socket is pivotally connected to the tail fitting and the head and tail fittings are adapted to electrically and mechanically engage respective head and tail terminals. A fuse means is connected within the body between the head and tail fittings. The ejecta trap is pivotally mounted on the tail terminal such that it may be swung between an in-use position immediately below the tail fitting where it collects ejected fuse means material and another position.

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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 November 19, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 19, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 27, 1988
GrantedNovember 19, 1991
Term endedNovember 19, 2008
Patent numberCA 1292264 C
Classification (IPC)H01H85/54 +1 more

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedJune 27, 1988Patent grantedNov 19, 1991Term endedNov 19, 2008

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.