US3500103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric timepiece drive with cut-off
Assignee: WELLS BENRUS CORP
•
Filing: 1966-12-07
•
Granted: 1970-03-10
•
Expires: 1986-12-07
Abstract
No abstract record available.
Inventors
- 👤 Roger S Swain
- 👤 Gerald R Wootton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:08
CPC Classifications
G; G04; G04C; G04C3/00; G04C3/14; G04C3/143
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3042847A
Cited
US3386019A
Cited
US3329852A
Cited
US3304481A
Cited
US3333171A
Cited
US3353076A
Cited
US3359474A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |