US2756950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft launching device, including a rocket propelled ball screw and nut
Assignee: Cleveland Pneumatic Tool Co
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Filing: 1954-10-07
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Granted: 1956-07-31
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Expires: 1974-10-07
Abstract
No abstract record available.
Inventors
- 👤 Raymond E Greenough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:40
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/04; B64F1/06; F; F02; F02K; F02K7/00; F02K7/005; Y; Y02; Y02T; Y02T50/00; Y02T50/60; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18656
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2437700A
Cited
GB191209403A
Cited
US2178014A
Cited
US2270735A
Cited
US2452633A
Cited
US2578560A
Cited
US2636397A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-31 | 1960-01-30 | 1960-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-31 | 1964-01-30 | 1964-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-31 | 1968-01-30 | 1968-07-31 | $7700.00 | Window Closed / Lapsed |