US2541197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary pump and motor hydraulic transmission
Assignee: J H WEATHERFORD
•
Filing: 1943-09-03
•
Granted: 1951-02-13
•
Expires: 1963-09-03
Abstract
No abstract record available.
Inventors
- 👤 Harry B Breedlove
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:15
CPC Classifications
F; F16; F16H; F16H39/00; F16H39/04; F16H39/06; F16H39/26; F16H39/30; F16H39/32
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US466661A
Cited
US466660A
Cited
US1080282A
Cited
US1203745A
Cited
GB191407213A
Cited
US1242389A
Cited
US1297733A
Cited
US1545678A
Cited
US1816735A
Cited
US1998922A
Cited
GB450625A
Cited
US2195246A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-12 | 1954-08-14 | 1955-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-12 | 1958-08-14 | 1959-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-12 | 1962-08-14 | 1963-02-13 | $7700.00 | Window Closed / Lapsed |