Patent US2791284A successfully refreshed from Google Patents.
US2791284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple fluid pump and motor drive system for tractors
Assignee: Case LLC
•
Filing: 1952-02-14
•
Granted: 1957-05-07
•
Expires: 1972-02-14
Abstract
No abstract record available.
Inventors
- 👤 Melvin F Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:05
CPC Classifications
B; B60; B60K; B60K17/00; B60K17/04; B60K17/10; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86863; Y10T137/86871
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USRE15243E
Cited
US1156818A
Cited
US1176307A
Cited
US1100004A
Cited
US1590226A
Cited
US1772247A
Cited
US2276895A
Cited
US2254358A
Cited
US2330565A
Cited
US2312886A
Cited
US2355669A
Cited
US2357334A
Cited
US2393324A
Cited
US2458985A
Cited
US2570411A
Cited
US2446242A
Cited
US2499563A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-06 | 1960-11-05 | 1961-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-06 | 1964-11-05 | 1965-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-06 | 1968-11-05 | 1969-05-07 | $7700.00 | Window Closed / Lapsed |