US2947388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallurgical control during sintering
Assignee: Goodyear Tire and Rubber Co
•
Filing: 1957-02-19
•
Granted: 1960-08-02
•
Expires: 1977-02-19
Abstract
No abstract record available.
Inventors
- 👤 James A Culbertson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:54
CPC Classifications
F; F16; F16D; F16D69/00; F16D69/02; F16D69/027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2178527A
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US2207961A
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US2289689A
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US2457861A
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US2553828A
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US2516966A
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US2561445A
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US2792624A
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US2794526A
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US2854098A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |