US3353348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric watch calendar mechanism
Assignee: Hamilton Watch Co
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Filing: 1965-10-29
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Granted: 1967-11-21
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Expires: 1985-10-29
Abstract
No abstract record available.
Inventors
- 👤 Donald W Brashear
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:36
CPC Classifications
G; G04; G04B; G04B19/00; G04B19/24; G04B19/243; G04B19/247; G04B19/253; G04B19/25333; G04B19/25373
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
IN A CALENDAR TIMEPIECE; THE IMPROVEMENT COMPRISING ROTATABLE CALENDAR MEANS HAVING DATE INDICIA THEREON, MEANS FOR CONTINOUSLY ROTATING SAID CALENDAR MEANS HAVING A WINDOW OVERLYING A PORTION OF SAID CALENDAR MEANS, CAM MEANS OPERABLY CONNECTED TO SAID CALENDER ROTATING MEANS FOR MOVEMENT RELATIVE TO SAID CALENDAR MEANS AND ARRANGEMENT IN CONTROLLING RELATION TO SAID SHUTTER MEANS FOR MOVING SAID SHUTTER MEANS IN SYNCHRONISM WITH SAID
Claim 2
Dependent Claim
65 words
IN A CALENDAR TIMEPIECE; THE IMPROVEMENT COMPRISING ROTATABLE CALENDAR MEANS HAVING DATE INDICIA THEREON, MEANS FOR CONTINOUSLY ROTATING SAID CALENDAR MEANS HAVING A WINDOW OVERLYING A PORTION OF SAID CALENDAR MEANS, CAM MEANS OPERABLY CONNECTED TO SAID CALENDER ROTATING MEANS FOR MOVEMENT RELATIVE TO SAID CALENDAR MEANS AND ARRANGEMENT IN CONTROLLING RELATION TO SAID SHUTTER MEANS FOR MOVING SAID SHUTTER MEANS IN SYNCHRONISM WITH SAID
References Cited (Backward Citations)
US3240006A
Cited
US3258907A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |