US2372485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-staking bushing and the like
Assignee: Northrop Grumman Corp
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Filing: 1942-07-16
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Granted: 1945-03-27
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Expires: 1962-07-16
Abstract
No abstract record available.
Inventors
- 👤 Alvah M Griffin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:51
CPC Classifications
B; B23; B23B; B23B49/00; B23B49/02; B23B49/023; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49925; Y10T29/49934; Y10T29/49945; Y10T403/00; Y10T403/49; Y10T403/4966; Y10T403/70; Y10T408/00; Y10T408/96; Y10T83/00; Y10T83/929; Y10T83/9457; Y10T83/9473; Y10T83/9476
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-03-26 | 1948-09-25 | 1949-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-03-26 | 1952-09-25 | 1953-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-03-26 | 1956-09-25 | 1957-03-27 | $7700.00 | Window Closed / Lapsed |