US2905778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Timing mechanism
Assignee: SESSIONS CLOCK CO
•
Filing: 1955-08-04
•
Granted: 1959-09-22
•
Expires: 1975-08-04
Abstract
No abstract record available.
Inventors
- 👤 William C Fox
- 👤 Harold L Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:35
CPC Classifications
G; G04; G04C; G04C23/00; G04C23/14; G04C23/16; Y; Y10; Y10T; Y10T74/00; Y10T74/11; Y10T74/114
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1860159A
Cited
US1951028A
Cited
US2124442A
Cited
US2182894A
Cited
US2200110A
Cited
US2545617A
Cited
US2596330A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |