Patent US3267659A successfully refreshed from Google Patents.
US3267659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic clock spring rewind mechanism
Assignee: MASTERCRAFTERS CLOCK CORP
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Filing: 1964-05-04
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Granted: 1966-08-23
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Expires: 1984-05-04
Abstract
No abstract record available.
Inventors
- 👤 John L Hancock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:29
CPC Classifications
G; G04; G04C; G04C1/00; G04C1/04; G04C1/06; G04C1/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
IN AN AUTOMATIC CLOCK SPRING REWIND MECHANISM INCLUDING A WINDING GEAR, AND AN ELECTRIC MOTOR HAVING AN ENERGIZING CIRCUIT FOR ROTATING SAID GEAR, THE IMPROVEMENT COMPRISING A CONTACT PLATE ON A FACE OF SAID GEAR COMPRISING AN ELEMENT OF SAID CIRCUIT, A WIPER IN SAID CIRCUIT ADAPTED TO ENGAGE SAID CONTACT PLATE TO COMPLETE SAID CIRCUIT, A THIN SWITCH PLATE CONNECTED TO SAID CONTACT PLATE IN PARALLEL ABUTTING RELATIONSHIP THEREWITH FOR SPACING SAID WIPER FROM SAID CONTACT PLATE TO OPEN SAID CIRCUIT, MEANS PERMITTING RELATIVE MOVEMENT BETWEEN SAID SWITCH PLATE AND SAID CONTACT PLATE, AND DRIVE MEANS FOR PERIODICALLY ROTATING SAID SWITCH PLATE INDEPENDENTLY OF SAID CONTACT PLATE WHEREUPON SAID WIPER COOPERATES WITH SAID SWITCH PLATE TO SNAP THEREFROM AND MAKE SUBSTANTIALLY INSTANTANEOUS CONTACT WITH SAID CONTACT PLATE.
Claim 2
Dependent Claim
128 words
IN AN AUTOMATIC CLOCK SPRING REWIND MECHANISM INCLUDING A WINDING GEAR, AND AN ELECTRIC MOTOR HAVING AN ENERGIZING CIRCUIT FOR ROTATING SAID GEAR, THE IMPROVEMENT COMPRISING A CONTACT PLATE ON A FACE OF SAID GEAR COMPRISING AN ELEMENT OF SAID CIRCUIT, A WIPER IN SAID CIRCUIT ADAPTED TO ENGAGE SAID CONTACT PLATE TO COMPLETE SAID CIRCUIT, A THIN SWITCH PLATE CONNECTED TO SAID CONTACT PLATE IN PARALLEL ABUTTING RELATIONSHIP THEREWITH FOR SPACING SAID WIPER FROM SAID CONTACT PLATE TO OPEN SAID CIRCUIT, MEANS PERMITTING RELATIVE MOVEMENT BETWEEN SAID SWITCH PLATE AND SAID CONTACT PLATE, AND DRIVE MEANS FOR PERIODICALLY ROTATING SAID SWITCH PLATE INDEPENDENTLY OF SAID CONTACT PLATE WHEREUPON SAID WIPER COOPERATES WITH SAID SWITCH PLATE TO SNAP THEREFROM AND MAKE SUBSTANTIALLY INSTANTANEOUS CONTACT WITH SAID CONTACT PLATE.
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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |