Bismuth and bismuth alloy fishing sinker

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6325136
SERIAL NO

09543203

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An improved fishing sinker having a specific gravity sufficiently high so as to provide sufficient weight without undue bulkiness with the fishing sinker having a body of material formed from bismuth or an alloy of bismuth and a method of casting a bismuth containing sinker in order to have the sinker release from the mold as well as a method of forming a runner attachment to the fishing sinker to enable quick and clean removal of the solidified runner from the solidified fishing sinker.

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Patent Owner(s)

Patent OwnerAddress
WATER GREMLIN COMPANY1610 WHITAKER AVENUE WHITE BEAR LAKE MN 55110

International Classification(s)

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  • 2000 Application Filing Year
  • B22D Class
  • 250 Applications Filed
  • 124 Patents Issued To-Date
  • 49.60 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20002001200220032004200520060255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Donohoe, Thomas P St. Paul, MN 2 6
Ferron, Douglas P White Bear Lake, MN 2 6
Ratte, Geoffrey F Metairie, LA 1 4
Ratte, Robert W North Oaks, MN 40 890

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Patent Citation Ranking

  • 4 Citation Count
  • B22D Class
  • 5.76 % this patent is cited more than
  • 24 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges16225314201 - 1011 - 2021 - 3041 - 500102030405060708090100110120130140150160170180190200210220230240

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