US2963118A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrodynamic brake system
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1956-02-02
•
Granted: 1960-12-06
•
Expires: 1976-02-02
Abstract
No abstract record available.
Inventors
- 👤 James H Booth
- 👤 Edward J Herbenar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:49
CPC Classifications
F; F16; F16D; F16D57/00; F16D57/04; F16D65/00; F16D65/78; Y; Y10; Y10S; Y10S60/00; Y10S60/912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1569143A
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US1987889A
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US1903699A
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US2055297A
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GB471117A
Cited
US2170128A
Cited
US2453877A
Cited
US2392120A
Cited
US2496497A
Cited
US2750009A
Cited
FR1132673A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |