Patent US2377397A successfully refreshed from Google Patents.
US2377397A
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US
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Fastening means
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1943-04-16
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Granted: 1945-06-05
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Expires: 1963-04-16
Abstract
No abstract record available.
Inventors
- 👤 James H Booth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:19
CPC Classifications
F; F16; F16B; F16B25/00; F16B25/001; F16B25/0015; F16B25/0036; F16B25/0094; F16B35/00; F16B35/04; Y; Y10; Y10S; Y10S411/00; Y10S411/91; Y10S411/955; Y10S411/965; Y10S411/968; Y10T; Y10T292/00; Y10T292/68
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) | 1948-06-04 | 1948-12-04 | 1949-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-06-04 | 1952-12-04 | 1953-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-06-04 | 1956-12-04 | 1957-06-05 | $7700.00 | Window Closed / Lapsed |