US2497424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lead screw stop means
Assignee: Boeing Co
•
Filing: 1946-01-25
•
Granted: 1950-02-14
•
Expires: 1966-01-25
Abstract
No abstract record available.
Inventors
- 👤 Terdina Frank
- 👤 Wallace E Skidmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:07
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/18; F16H25/20; F16H25/2015; F16H25/22; F16H25/2204; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18688; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19702; Y10T74/19744; Y10T74/19749; Y10T82/00; Y10T82/25; Y10T82/2531; Y10T82/2549
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1656279A
Cited
FR630555A
Cited
US1984565A
Cited
US1908655A
Cited
US1967482A
Cited
US2240977A
Cited
US2297137A
Cited
US2398841A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |