US2984187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power steering pump
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1956-02-20
•
Granted: 1961-05-16
•
Expires: 1976-02-20
Abstract
No abstract record available.
Inventors
- 👤 Herbert F Prasse
- 👤 John E Thrap
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:52
CPC Classifications
B; B62; B62D; B62D5/00; B62D5/06; B62D5/062; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/8593; Y10T137/85978; Y10T137/86035
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |