US2961970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hollow pump gear for aircraft fuel pumps
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1955-10-04
•
Granted: 1960-11-29
•
Expires: 1975-10-04
Abstract
No abstract record available.
Inventors
- 👤 John F Murray
- 👤 John A Wotring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:20
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/08; F04C2/082; F04C2/084; B; B64; B64D; B64D37/00; B64D37/02; B64D37/14; B64D37/16; Y; Y02; Y02T; Y02T50/00; Y02T50/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2126200A
Cited
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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) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |