US3544175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexural pivot having limited bending stresses imparted to flexure member
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1968-12-30
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Granted: 1970-12-01
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Expires: 1988-12-30
Abstract
No abstract record available.
Inventors
- 👤 Walter C Tooker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:38
CPC Classifications
F; F16; F16C; F16C11/00; F16C11/04; F16C11/12; F16D; F16D3/00; F16D3/005; Y; Y10; Y10T; Y10T403/00; Y10T403/54; Y10T74/00; Y10T74/12; Y10T74/1293
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2814187A
Cited
US2872225A
Cited
US3073584A
Cited
US3312458A
Cited
US3290949A
Cited
US3413858A
Cited
US3363435A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |