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Expired Canadian patentCanada

Two-part protector for a pipe end which is provided with an external or internal thread

CA 2628674 C · Owner: Kovacs, George A. Jr. · Inventors: Kovacs, George A. Jr.

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 two-part protector (23, 43) for a pipe end which is provided with an external or internal thread, wherein a substantially cylindrical threaded part (14, 40) which is made from plastic covers the thread of the pipe end and a likewise substantially cylindrical sleeve (7 33) which is made from metal , supports the threaded part on the rear side and wherein the threaded part and , the sleeve engage in one another in a latched manner as a result of latching projections (18, 43) and latching cut-outs (2 31), is configured in terms of , a playfree connection between the two parts and in terms of reliable latching between the parts which have very different coefficients of thermal expansion …

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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

  • Filed December 9, 2005 and granted August 12, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 9, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 9, 2005
GrantedAugust 12, 2014
Term endedDecember 9, 2025
Patent numberCA 2628674 C
Classification (IPC)F16L57/00 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedDec 9, 2005Patent grantedAug 12, 2014Term endedDec 9, 2025

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