US2683512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch
Assignee: Reed Roller Bit Co
•
Filing: 1949-11-09
•
Granted: 1954-07-13
•
Expires: 1969-11-09
Abstract
No abstract record available.
Inventors
- 👤 Elvin G Boice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:34
CPC Classifications
F; F16; F16D; F16D7/00; F16D7/04; F16D7/042; F16D7/044
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB137220A
Cited
US1823426A
Cited
US1881728A
Cited
US1919437A
Cited
US2293787A
Cited
US2277554A
Cited
US2268412A
Cited
US2436947A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-12 | 1958-01-11 | 1958-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-12 | 1962-01-11 | 1962-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-12 | 1966-01-11 | 1966-07-13 | $7700.00 | Window Closed / Lapsed |