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US5099579A Expired / Lapsed US ⏱️ 0.0 years remaining

Tire puncturing device

Assignee: Individual
•
Filing: 1991-02-07
•
Granted: 1992-03-31
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Expires: 2011-02-07
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Abstract

Abstract An improved tire puncturing device includes a base plate having a plurality of drive pins whose axes are formed in a plane perpendicular to the plane of the base plate. The drive pins extend from one side of the base plate and include a free end which forms a piercing point. Each of the drive pins are secured in the base plate and have an aperture formed therethrough for enabling fluid to enter the aperture at the piercing point and exit the drive pin at the other side of the base plate.

Inventors

  • 👤 Thomas L. Chadwick

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 17:41
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/24

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 141 words
A tire puncturing device comprising a base plate having a plurality of drive pins whose axes are formed in a plane perpendicular to the plane of the base plate; said drive pins having a longitudinally extending axis and extending from one side of the base plate and including a free end which forms a piercing point, each of said drive pins being secured at tis other end in said base plate and having an aperture formed therethrough for enabling fluid to enter the apertures at said piercing point and exit said drive pins at the other side of said base plate, said drive pins being press fit into openings formed in said base plate, and wherein said each of said drive pin apertures extends from the piercing point of said drive pins through to the other end of said drive pins.
Claim 2
Dependent Claim 141 words
A tire puncturing device comprising a base plate having a plurality of drive pins whose axes are formed in a plane perpendicular to the plane of the base plate; said drive pins having a longitudinally extending axis and extending from one side of the base plate and including a free end which forms a piercing point, each of said drive pins being secured at tis other end in said base plate and having an aperture formed therethrough for enabling fluid to enter the apertures at said piercing point and exit said drive pins at the other side of said base plate, said drive pins being press fit into openings formed in said base plate, and wherein said each of said drive pin apertures extends from the piercing point of said drive pins through to the other end of said drive pins.

References Cited (Backward Citations)

US1465793A Cited
US734157A Cited
US1209571A Cited
US2087186A Cited
US2432176A Cited
US4473948A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1995-03-31 1995-09-30 1996-03-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1999-03-31 1999-09-30 2000-03-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2003-03-31 2003-09-30 2004-03-31 $7700.00 Window Closed / Lapsed

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