US2859845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic clutch
Assignee: STERLING PREC INSTR CORP
•
Filing: 1955-03-03
•
Granted: 1958-11-11
•
Expires: 1975-03-03
Abstract
No abstract record available.
Inventors
- 👤 Bachman Rudolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:30
CPC Classifications
F; F16; F16D; F16D67/00; F16D67/02; F16D67/06; F16D27/00; F16D27/02; F16D27/04; F16D27/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE119972C
Cited
US1697595A
Cited
US1359321A
Cited
US2401003A
Cited
US2464129A
Cited
US2514385A
Cited
US2490044A
Cited
US2757768A
Cited
US2801720A
Cited
US2796962A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |