US3138674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical time switch mechanism
Assignee: General Electric Co
•
Filing: 1962-03-29
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Granted: 1964-06-23
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Expires: 1982-03-29
Abstract
No abstract record available.
Inventors
- 👤 Robert L Boyles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:33
CPC Classifications
G; G04; G04C; G04C23/00; G04C23/14; G04C23/16; Y; Y10; Y10T; Y10T74/00; Y10T74/11; Y10T74/114
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A TIMER SWITCH ASSEMBLY COMPRISING A CLOCK MECHANISM, A THREE POSITION SWITCH INCLUDING A SWITCH CONTACT, SAID CONTACT BEING POSITIONABLE IN AN ON POSITION, SAID CONTACT BEING MOVABLE IN ONE DIRECTION FROM SAID ON POSITION TO AN OFF POSITION, SAID CONTACT BEING MOVABLE IN A DIRECTION OPPOSITE TO SAID ONE DIRECTION FROM SAID ON POSITION TO AN AUTOMATIC OFF POSITION, MEANS NORMALLY BIASING SAID SWITCH CONTACT FROM THE AUTOMATIC OFF POSITION TO THE ON POSITION, LATCH MEANS TO RETAIN SAID SWITCH CONTACT IN THE AUTOMATIC OFF POSITION AGAINST MOVEMENT BY THE BIASING MEANS, AND MEANS CONTROLLED BY SAID CLOCK MECHANISM TO OPERATE AND RELEASE SAID LATCH MEANS TO ENABLE THE BIASING MEANS TO MOVE SAID SWITCH CONTACT FROM THE AUTOMATIC OFF POSITION TO THE ON POSITION AT A DESIRED TIME.
Claim 2
Dependent Claim
130 words
A TIMER SWITCH ASSEMBLY COMPRISING A CLOCK MECHANISM, A THREE POSITION SWITCH INCLUDING A SWITCH CONTACT, SAID CONTACT BEING POSITIONABLE IN AN ON POSITION, SAID CONTACT BEING MOVABLE IN ONE DIRECTION FROM SAID ON POSITION TO AN OFF POSITION, SAID CONTACT BEING MOVABLE IN A DIRECTION OPPOSITE TO SAID ONE DIRECTION FROM SAID ON POSITION TO AN AUTOMATIC OFF POSITION, MEANS NORMALLY BIASING SAID SWITCH CONTACT FROM THE AUTOMATIC OFF POSITION TO THE ON POSITION, LATCH MEANS TO RETAIN SAID SWITCH CONTACT IN THE AUTOMATIC OFF POSITION AGAINST MOVEMENT BY THE BIASING MEANS, AND MEANS CONTROLLED BY SAID CLOCK MECHANISM TO OPERATE AND RELEASE SAID LATCH MEANS TO ENABLE THE BIASING MEANS TO MOVE SAID SWITCH CONTACT FROM THE AUTOMATIC OFF POSITION TO THE ON POSITION AT A DESIRED TIME.
References Cited (Backward Citations)
US277640A
Cited
US2421986A
Cited
US2721441A
Cited
US2782274A
Cited
US2839623A
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US2816969A
Cited
US3032618A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |