US3570323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motion-transmitting apparatus
Assignee: VERSTAND ENGINEERING Inc
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Filing: 1969-05-01
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Granted: 1971-03-16
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Expires: 1989-05-01
Abstract
Abstract APPARATUS FOR OPERATING ONE OR THE OTHER OF TWO LIMIT SWITCHES IN RESPONSE TO A MECHANICAL MOVEMENT AT A REMOTE POINT. A MASTER UNIT HAS A FIRST MEMBER MOVABLE IN OPPOSITE DIRECTIONS FROM A NEUTRAL POSITION IN RESPONSE TO THE MECHANICAL MOVEMENT, THE DIRECTION OF MOVEMENT OF THE MEMBER DEPENDING UPON THE DIRECTION OF THE MECHANICAL MOVEMENT. A SLAVE UNIT HAS A SECOND MEMBER MOVABLE IN OPPOSITE DIRECTIONS FROM NEUTRAL AND ADAPTED TO EFFECT THE OPERATION OF ONE OR THE OTHER OF THE SWITCHES DEPENDING UPON THE DIRECTION IN WHICH IT IS MOVED. A SINGLE PUSH-PULL LINEAR MEMBER OR CABLE TRANSMITS THE MOVEMENT OF THE FIRST MEMBER TO THE SECOND MEMBER IN EITHER DIRECTION.
Inventors
- 👤 Donald E Learmont
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:26
CPC Classifications
H; H01; H01H; H01H21/00; H01H21/02; H01H21/18; H01H21/22; H01H21/24; H01H21/28; H01H3/00; H01H3/32; H01H3/36; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402
Claims Analysis
Total Claims: 0
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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) | 1974-03-15 | 1974-09-14 | 1975-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-15 | 1978-09-14 | 1979-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-15 | 1982-09-14 | 1983-03-16 | $7700.00 | Window Closed / Lapsed |