US2849250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emergency release latch mechanism
Assignee: General Electric Co
•
Filing: 1955-09-27
•
Granted: 1958-08-26
•
Expires: 1975-09-27
Abstract
No abstract record available.
Inventors
- 👤 Cecil M Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:47
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/0042; E05B65/0053; Y; Y10; Y10S; Y10S292/00; Y10S292/71; Y10T; Y10T292/00; Y10T292/08; Y10T292/0908; Y10T292/1043; Y10T292/1044; Y10T292/1045; Y10T292/1047; Y10T292/54; Y10T292/564; Y10T292/68; Y10T292/696; Y10T292/702
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2733090A
Cited
US1208042A
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US1847564A
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US2228674A
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US2340470A
Cited
US2747906A
Cited
US2762645A
Cited
US2777722A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |