US3248867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clock motor and movement
Assignee: Sunbeam Corp
•
Filing: 1963-11-07
•
Granted: 1966-05-03
•
Expires: 1983-11-07
Abstract
No abstract record available.
Inventors
- 👤 Jepson Ivar
- 👤 John W Morgan
- 👤 James W Richmond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:13
CPC Classifications
G; G04; G04C; G04C15/00; G04B; G04B29/00; G04C15/0009; G04C21/00; G04C21/16; G04C21/18; G04C3/00; G04C3/16; G04G; G04G13/00; G04G13/02; G04G13/021; H; H02; H02K; H02K7/00; H02K7/10; H02K7/116
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A CLOCK MOTOR AND MOVEMENT COMPRISING A PAIR OF SPACED FERROUS PLATES, A ROTOR POSITIONED BETWEEN SAID PLATES AND SUPPORTED BY A SHAFT JOURNALED IN SAID PLATES A PLURALITY OF FIELD POLES FORMED INTEGRAL PROJECTIONS POSITIONED ON AN OUTSIDE EDGE OF EACH OF SAID PLATES AND EXTENDING IN CLOSELY SPACED RELATION TO THE PERIPERY OF SAID MOTOR TO DEFINE A RADIAL AIR GAP BETWEEN SAID POLES AND SAID ROTOR, A REDUCTION GEAR TRAIN DRIVEN BY SAID ROTOR AND SUPPORTED ON SHAFTS JOURNALED IN SAID PLATES, A FIELD MAGNET EXTENDING BETWEEN SAID PLATES TO PRODUCE A MAGNETIC FIELD AT SAID POLES, AND SHAFTS SUPPORTED BY SAID PLATES AND DRIVEN BY SAID GEAR TRAIN AT DIFFERENT RATES FOR DRIVING HOUR AND MINUTE INDICATING HANDS.
Claim 2
Dependent Claim
122 words
A CLOCK MOTOR AND MOVEMENT COMPRISING A PAIR OF SPACED FERROUS PLATES, A ROTOR POSITIONED BETWEEN SAID PLATES AND SUPPORTED BY A SHAFT JOURNALED IN SAID PLATES A PLURALITY OF FIELD POLES FORMED INTEGRAL PROJECTIONS POSITIONED ON AN OUTSIDE EDGE OF EACH OF SAID PLATES AND EXTENDING IN CLOSELY SPACED RELATION TO THE PERIPERY OF SAID MOTOR TO DEFINE A RADIAL AIR GAP BETWEEN SAID POLES AND SAID ROTOR, A REDUCTION GEAR TRAIN DRIVEN BY SAID ROTOR AND SUPPORTED ON SHAFTS JOURNALED IN SAID PLATES, A FIELD MAGNET EXTENDING BETWEEN SAID PLATES TO PRODUCE A MAGNETIC FIELD AT SAID POLES, AND SHAFTS SUPPORTED BY SAID PLATES AND DRIVEN BY SAID GEAR TRAIN AT DIFFERENT RATES FOR DRIVING HOUR AND MINUTE INDICATING HANDS.
References Cited (Backward Citations)
US3004179A
Cited
US1019316A
Cited
US1632305A
Cited
US2405892A
Cited
US2400099A
Cited
US2400091A
Cited
US2459598A
Cited
US2513913A
Cited
US2798358A
Cited
US2729056A
Cited
US2943215A
Cited
US2956394A
Cited
US2779150A
Cited
US3010037A
Cited
FR1234710A
Cited
US3090193A
Cited
US3098681A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |