Patent US2876705A successfully refreshed from Google Patents.
US2876705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure loaded gear pump
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1953-05-29
•
Granted: 1959-03-10
•
Expires: 1973-05-29
Abstract
No abstract record available.
Inventors
- 👤 Leslie L Aspelin
- 👤 John F Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:46
CPC Classifications
F; F04; F04C; F04C15/00; F04C15/0003; F04C15/0023; F04C15/0026
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1780109A
Cited
US1927395A
Cited
US2044873A
Cited
US2312891A
Cited
US2312655A
Cited
US2477797A
Cited
US2470355A
Cited
US2527941A
Cited
US2544988A
Cited
US2714856A
Cited
US2682836A
Cited
US2641192A
Cited
US2695566A
Cited
US2756681A
Cited
US2702509A
Cited
US2728301A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |