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Expired Canadian patentCanada

Saddle clamps and a method of making such clamps

CA 1061523 A · Owner: Schultz Manufacturing Company Limited (The) · Inventors: Offterdinger, Hermann F.

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 new saddle clamp comprises a U-bolt and a saddle providing complementary semicircular bight portions that embrace corresponding portions of a circular cross-section cylindrical member to be clamped so that when such a member is interposed between them it is surrounded 360 degrees of its circumference. The nuts employed with the U-bolt engage downwardly-inwardly inclined nut-receiving surfaces formed around apertures in the saddle through which the U-bolt legs pass, and as the nuts are tightened they slide downwards on these inclined surfaces and the bolt legs are moved toward each other for uniform clamping sealing pressure around the cylindrical member. It is found essential that 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 September 4, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 4, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedSeptember 4, 1979
Term endedSeptember 4, 1996
Patent numberCA 1061523 A
Classification (IPC)F16B2/06 +1 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedSep 4, 1979Term endedSep 4, 1996

Sources & verification

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