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Patent US3371445A successfully refreshed from Google Patents.
US3371445A
Expired / Lapsed
US
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Double sliding flush plug door gasket
Assignee: Goodyear Tire and Rubber Co
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Filing: 1965-09-15
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Granted: 1968-03-05
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Expires: 1985-09-15
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 10:15
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
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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 |