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Expired Canadian patentCanada

Molded softball method of manufacture

CA 1285295 C · Owner: Molitor, Robert P. · Inventors: Molitor, Robert P.

CIPO record

Overview

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

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Abstract From the Canadian patent

The invention relates to a mold a method of making the mold, and a baseball or softball produced by the mold. The ball has a cover of vinyl, urethane or other polymers and has a leatherlike feel and the playability of a standard ball. The mold has a pair of hemispherical dies each having depressions and protrusions forming a female counterpart of the stitching and surface texture of a standard ball, and a plurality of stitch pins adjacent the outer edges of the depressions in the appropriate configuration to form male counterparts of stitch holes in the ball.

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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 June 25, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 25, 2008.
  • 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 3, 1986
GrantedJune 25, 1991
Term endedJune 25, 2008
Patent numberCA 1285295 C
Classification (IPC)A63B37/12

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedDec 3, 1986Patent grantedJune 25, 1991Term endedJune 25, 2008

Sources & verification

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