US2904874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing connecting rod bearings
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1956-11-20
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Granted: 1959-09-22
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Expires: 1976-11-20
Abstract
No abstract record available.
Inventors
- 👤 Norton Samuel Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:34
CPC Classifications
F; F16; F16C; F16C9/00; F16C9/04; F16C11/00; F16C11/04; F16C11/06; F16C11/0614; F16C11/0685; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49648; Y10T29/4965; Y10T29/49826; Y10T29/4984; Y10T29/49845; Y10T29/49853
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |