US3258907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Calendar timepiece
Assignee: Hamilton Watch Co
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Filing: 1965-01-14
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Granted: 1966-07-05
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Expires: 1985-01-14
Abstract
No abstract record available.
Inventors
- 👤 Luain W Hamblin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:40
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
87 words
A CALENDAR TIMEPIECE COMPRISING A TIMEPIECE MOVEMENT HAVING AN HOUR WHEEL, A CALENDAR RING BEARING A SERIES OF DATE INDICIA ROTATABLY MOUNTED ON SAID MOVEMENT, MEANS FOR CONTINUOUSLY ROTATING SAID CALENDAR RING IN PROPER TIMED RELATION TO SAID HOUR WHEEL, SAID MEANS INCLUDING INTERNAL GEAR TEETH ON SAID CALENDAR RING AND A GEAR TRAIN HAVING A PROPER REDUCTION RATIO INTERCONNECTING SAID CALENDAR RING GEAR TEETH AND SAID HOUR WHEEL, UNIFORMLY SPACED PROJECTIONS ON SAID CALENDAR RING, A SHUTTER HAVING A WINDOW OVERLYING A PORTION OF SAID CALENDAR
Claim 2
Dependent Claim
87 words
A CALENDAR TIMEPIECE COMPRISING A TIMEPIECE MOVEMENT HAVING AN HOUR WHEEL, A CALENDAR RING BEARING A SERIES OF DATE INDICIA ROTATABLY MOUNTED ON SAID MOVEMENT, MEANS FOR CONTINUOUSLY ROTATING SAID CALENDAR RING IN PROPER TIMED RELATION TO SAID HOUR WHEEL, SAID MEANS INCLUDING INTERNAL GEAR TEETH ON SAID CALENDAR RING AND A GEAR TRAIN HAVING A PROPER REDUCTION RATIO INTERCONNECTING SAID CALENDAR RING GEAR TEETH AND SAID HOUR WHEEL, UNIFORMLY SPACED PROJECTIONS ON SAID CALENDAR RING, A SHUTTER HAVING A WINDOW OVERLYING A PORTION OF SAID CALENDAR
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |