US3410684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Powder metallurgy
Assignee: Old Carco LLC
•
Filing: 1967-06-07
•
Granted: 1968-11-12
•
Expires: 1987-06-07
Abstract
No abstract record available.
Inventors
- 👤 Leon J Printz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:36
CPC Classifications
B; B22; B22F; B22F3/00; B22F3/10; B22F3/11; B22F3/1121; B22F1/00; B22F1/10; B22F1/103; B22F3/1017; B22F3/1021; B22F2201/00; B22F2201/10; B22F2201/20; B22F2998/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1873223A
Cited
GB468518A
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US2122053A
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US2276453A
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US2386544A
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US3185566A
Cited
US2792302A
Cited
GB855203A
Cited
US3001871A
Cited
US2928733A
Cited
US3313622A
Cited
US3266893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |