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Expired Canadian patentCanada

Tension link for parachute/payload separation

CA 1202606 A · Owner: Her Majesty The Queen In Right Of Canada As Represented By The Minister Of National Defence Of Her Majesty'S Canadian Government · Inventors: Twardawa, Philip A.; St-Onge, Michel C.

CIPO record

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

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Abstract From the Canadian patent

A mechanical device is provided to link a payload and a parachute together prior to and during parachute dropping of the payload and provide for automatic separation of the payload from the parachute after the payload and parachute have landed. The payload is secured to either a shaft or housing of the device, and the parachute is secured to the other. The forces acting on the device during parachute dropping of the payload arm a mechanical system for releasably dis-associating the shaft and the housing, and when the payload has landed the, different forces prevalent on the system cause mechanical releasing of the shaft and housing. The device according to the present invention provides a …

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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 April 1, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 1, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 15, 1984
GrantedApril 1, 1986
Term endedApril 1, 2003
Patent numberCA 1202606 A
Classification (IPC)B64D17/30 +2 more

Timeline

Timeline From CIPO dates

1985198719891991199319951997199920012003Application filedFeb 15, 1984Patent grantedApril 1, 1986Term endedApril 1, 2003

Sources & verification

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