US3090191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Secondary clock setting means
Assignee: Montgomery Manufacturing Co Inc
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Filing: 1960-09-29
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Granted: 1963-05-21
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Expires: 1980-09-29
Abstract
No abstract record available.
Inventors
- 👤 Arvid N Montgomery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:01
CPC Classifications
G; G04; G04C; G04C15/00; G04C15/0063; G04C15/0072
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
219 words
A SYNCHRONOUS CLOCK COMPRISING A HOUSING HAVING A FACE PLATE ATTACHED THERETO AND INCLUDING A PAIR OF SPACED OPPOSING PLATES, A SECONDS SHAFT JOURNALED BETWEEN SAID PLATES, A MINUTES TUBE JOURNALED ON SAID SECONDS SHAFT, AN HOURS TUBE JOURNALED ON SAID MINUTES TUBE, A SYNCHRONOUS MOTOR OPERATIVELY MOUNTED ON SAID HOUSING, FIRST DRIVING MEANS FOR COUPLING THE SECONDS SHAFT TO THE SYNCHRONOUS MOTOR, SECOND DRIVING MEANS FOR COUPLING THE MINUTES TUBE TO THE SECONDS SHAFT, THIRD DRIVING MEANS FOR COUPLING THE HOURS TUBE TO THE MINUTES TUBE, FIRST CORRECTIVE MEANS FOR ROTATING THE SECONDS SHAFT TO A PREDETERMINED POSITION INDEPENDENTLY OF THE FIRST DRIVING MEANS AND AT AN ACCELERATED SPEED, SECOND CORRECTIVE MEANS FOR ROTATING THE MINUTES TUBE TO A PREDETERMINED POSITION INDEPENDENTLY OF THE SECOND DRIVING MEANS AND AT AN ACCELERATED SPEED, SAID FIRST AND SECOND CORRECTIVE MEANS BEING NORMALLY IDLING BETWEEN SAID OPPOSING PLATES BUT BEING ADAPTED FOR OPERATION UPON SHIFTING MOVEMENT THEREBETWEEN, MEANS FOR LIMITING THE MOVEMENT OF THE SECONDS SHAFT AND MINUTES TUBE DURING OPERATION OF THE FIRST AND SECOND CORRECTIVE MEANS, MEANS FOR INITIATING OPERATION OF THE FIRST AND SECOND CORRECTIVE MEANS BY MEANS OF AN ELECTRICAL IMPULSE INITIATED AT A POINT REMOTE FROM THE CLOCK, AND INDICIA MEANS FOR REVEALING THE RELATIVE POSITIONS OF THE SECONDS SHAFT AND THE MINUTES AND HOURS TUBES.
Claim 2
Dependent Claim
219 words
A SYNCHRONOUS CLOCK COMPRISING A HOUSING HAVING A FACE PLATE ATTACHED THERETO AND INCLUDING A PAIR OF SPACED OPPOSING PLATES, A SECONDS SHAFT JOURNALED BETWEEN SAID PLATES, A MINUTES TUBE JOURNALED ON SAID SECONDS SHAFT, AN HOURS TUBE JOURNALED ON SAID MINUTES TUBE, A SYNCHRONOUS MOTOR OPERATIVELY MOUNTED ON SAID HOUSING, FIRST DRIVING MEANS FOR COUPLING THE SECONDS SHAFT TO THE SYNCHRONOUS MOTOR, SECOND DRIVING MEANS FOR COUPLING THE MINUTES TUBE TO THE SECONDS SHAFT, THIRD DRIVING MEANS FOR COUPLING THE HOURS TUBE TO THE MINUTES TUBE, FIRST CORRECTIVE MEANS FOR ROTATING THE SECONDS SHAFT TO A PREDETERMINED POSITION INDEPENDENTLY OF THE FIRST DRIVING MEANS AND AT AN ACCELERATED SPEED, SECOND CORRECTIVE MEANS FOR ROTATING THE MINUTES TUBE TO A PREDETERMINED POSITION INDEPENDENTLY OF THE SECOND DRIVING MEANS AND AT AN ACCELERATED SPEED, SAID FIRST AND SECOND CORRECTIVE MEANS BEING NORMALLY IDLING BETWEEN SAID OPPOSING PLATES BUT BEING ADAPTED FOR OPERATION UPON SHIFTING MOVEMENT THEREBETWEEN, MEANS FOR LIMITING THE MOVEMENT OF THE SECONDS SHAFT AND MINUTES TUBE DURING OPERATION OF THE FIRST AND SECOND CORRECTIVE MEANS, MEANS FOR INITIATING OPERATION OF THE FIRST AND SECOND CORRECTIVE MEANS BY MEANS OF AN ELECTRICAL IMPULSE INITIATED AT A POINT REMOTE FROM THE CLOCK, AND INDICIA MEANS FOR REVEALING THE RELATIVE POSITIONS OF THE SECONDS SHAFT AND THE MINUTES AND HOURS TUBES.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |