US2870719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bushing for pressure loaded gear pump having a tapered journal surface
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1955-10-04
•
Granted: 1959-01-27
•
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
2026-10-25 22:52
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F04; F04B; F04B23/00; F04B23/04; F04B23/08; F04B23/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1379587A
Cited
US1372576A
Cited
AT107213B
Cited
US1834754A
Cited
US2322004A
Cited
FR789907A
Cited
CH220818A
Cited
US2344275A
Cited
US2527941A
Cited
US2695566A
Cited
US2676548A
Cited
US2696172A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |