US2750018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmission
Assignee: Twin Disc Inc
•
Filing: 1951-09-12
•
Granted: 1956-06-12
•
Expires: 1971-09-12
Abstract
No abstract record available.
Inventors
- 👤 Marvin W Dundore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:56
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/14; F16H61/141; F16H61/142; Y; Y10; Y10S; Y10S60/00; Y10S60/912; Y10S74/00; Y10S74/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US646103A
Cited
US2105625A
Cited
US2568007A
Cited
US2578876A
Cited
US2544551A
Cited
US2702616A
Cited
US2642168A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |