Patent US2743792A successfully refreshed from Google Patents.
US2743792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary motion resisting device
Assignee: Individual
•
Filing: 1951-10-11
•
Granted: 1956-05-01
•
Expires: 1971-10-11
Abstract
No abstract record available.
Inventors
- 👤 Richard B Ransom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:50
CPC Classifications
F; F16; F16H; F16H48/00; F16H48/06; F16H48/08; F16D; F16D35/00; F16D35/005; F16H48/20; F16H48/26; G; G05; G05G; G05G7/00; G05G7/14; F16D69/00; F16D2069/004; F16H48/38; F16H48/40
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR767772A
Cited
US669568A
Cited
FR348386A
Cited
US986324A
Cited
US1238447A
Cited
FR753956A
Cited
US2079724A
Cited
US2189189A
Cited
US2202137A
Cited
CH254458A
Cited
US2507182A
Cited
FR976917A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |