US2811139A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmission device
Assignee: ROME GRADER Corp
•
Filing: 1949-07-07
•
Granted: 1957-10-29
•
Expires: 1969-07-07
Abstract
No abstract record available.
Inventors
- 👤 Anthony L Lado
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:19
CPC Classifications
F; F16; F16H; F16H43/00; E; E02; E02F; E02F9/00; E02F9/08; E02F9/10; E02F9/12; E02F9/121; E02F9/123
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US131135A
Cited
US2195607A
Cited
US856651A
Cited
US1286122A
Cited
US1400236A
Cited
US1839085A
Cited
US2195306A
Cited
US2340169A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |