US2904012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid power rotary transmitter
Assignee: ENTERPRISE MACHINE PARTS CORP
•
Filing: 1957-01-31
•
Granted: 1959-09-15
•
Expires: 1977-01-31
Abstract
No abstract record available.
Inventors
- 👤 Lysle L Hazen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:30
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/4043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US344019A
Cited
US625800A
Cited
US727434A
Cited
US794723A
Cited
GB190929317A
Cited
US1043945A
Cited
GB182320A
Cited
US1597542A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |