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US3371445A Expired / Lapsed US ⏱️ 0.0 years remaining

Double sliding flush plug door gasket

Assignee: Goodyear Tire and Rubber Co
•
Filing: 1965-09-15
•
Granted: 1968-03-05
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Expires: 1985-09-15
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Abstract

No abstract record available.

Inventors

  • 👤 Theodore Z Herr
  • 👤 Jr William Hoverman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 03:26
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/16; E06B7/22; E06B7/23; E06B7/2305; E06B7/2307; E06B7/2309

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US690648A Cited
US1888299A Cited
US2612659A Cited
US2559447A Cited
US3161925A Cited
US3194299A Cited
US3226780A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-03-05 1971-09-04 1972-03-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-03-05 1975-09-04 1976-03-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-03-05 1979-09-04 1980-03-05 $7700.00 Window Closed / Lapsed

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