US3452680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic motor-pump assembly
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1967-08-11
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Granted: 1969-07-01
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Expires: 1987-08-11
Abstract
No abstract record available.
Inventors
- 👤 Hollis N White Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:02
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/08; F04C2/10; F04C2/103; F04C2/104; F16; F16H; F16H39/00; F16H39/04; F16H39/06; F16H39/34; F16H39/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2879042A
Cited
US3224421A
Cited
US3261542A
Cited
US3288034A
Cited
US3316814A
Cited
US3309011A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |