Safety interlock device
CA 1089893 A · Owner: Coulter Electronics, Inc. · Inventors: Pedroso, Raul
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A defeatable safety interlock device for blocking radiation from an instrument when a portion of the protective housing therefor is removed or displaced. when defeated it is not possible to remove or displace the interlocked portion of the protective housing nor, is it possible to replace that interlocked portion during such defeat. The interlock device includes a shutter a locking pin and a latch. The shutter blocks the radiation upon activation of the interlock device and controls the position of the locking pin. The latch is secured to the displaceable portion and includes a slotted portion movable in a restricted path, the passage being controlled by the position of the locking pin. The …
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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 18, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 18, 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.