US2912562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for reconditioning cylinder liners for diesel engines
Assignee: Individual
•
Filing: 1957-04-22
•
Granted: 1959-11-10
•
Expires: 1977-04-22
Abstract
No abstract record available.
Inventors
- 👤 George C Donovan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:35
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/04; B23K9/044; B23K9/046; B23K9/048; F; F02; F02F; F02F1/00; F02B; F02B3/00; F02B3/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49249; Y10T29/4925; Y10T29/4927; Y10T29/49272
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1898060A
Cited
US1924876A
Cited
US1886503A
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US2187786A
Cited
US2496188A
Cited
US2654014A
Cited
US2729578A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |