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Expired Canadian patentCanada

Floating dock having shock-absorbing coupling

CA 1304631 C · Owner: Dye, Wayne K. Jr. · Inventors: Fransen, Sig T.; Dye, Wayne K. Jr.

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

A multi-element floating dock has shockabsorbing flexible tieing elements which are installed as a unit without any manual adjustment being required to create a pretension in the shock-absorbing components. Elastomeric pads positioned in aligned cavities formed in the edges of the dock sections receive the ends of the flexible tieing elements. Stops located on the ends of the tieing elements engage the pads so that adjacent dock sections cannot be separated from one another without compressing the pads and thereby creating a compressibly yieldable restraint against the separation of the dock sections and preventing their being separated from one another past a predetermined limit. An …

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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 July 7, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 7, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 14, 1989
GrantedJuly 7, 1992
Term endedJuly 7, 2009
Patent numberCA 1304631 C
Classification (IPC)B63B35/38

Timeline

Timeline From CIPO dates

1990199219941996199820002002200420062008Application filedApril 14, 1989Patent grantedJuly 7, 1992Term endedJuly 7, 2009

Sources & verification

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