US3012637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction device
Assignee: Individual
•
Filing: 1956-12-26
•
Granted: 1961-12-12
•
Expires: 1976-12-26
Abstract
No abstract record available.
Inventors
- 👤 John M Dodwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:21
CPC Classifications
F; F16; F16D; F16D41/00; F16D41/06; F16D41/069; F16D41/07; F16D41/20; F16D41/203; F16H; F16H41/00; F16H41/24; F16H61/00; F16H61/38; F16H61/48; F16H61/50; F16H61/58; F16H61/60; F16H2041/246
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA468746A
Cited
US2603322A
Cited
US2004650A
Cited
US2422533A
Cited
US2461217A
Cited
US2576337A
Cited
US2685949A
Cited
US2803324A
Cited
US2888116A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |