US3202779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sensing switch
Assignee: Bell and Howell Co
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Filing: 1962-06-15
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Granted: 1965-08-24
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Expires: 1982-06-15
Abstract
No abstract record available.
Inventors
- 👤 Daniel D Call
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:32
CPC Classifications
H; H01; H01H; H01H35/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
IN AW SENSING SWITCH CONSTRUCTION, SUPPORTING MEANS ADAPTED TO BE DISPOSED ADJACENT TO THE PATH OF MOVEMENT OF SUCCESSIVE MEMBERS TO BE SENSED AS THEY PASS THEREBY AND INCLUDING ATTACHMENT STRUCTURE FOR SECURING IT IN OPERATIVE POSITION RELATIVE TO SAID PATH, A SHAFT ROTATABLY SUPPORTED BY SAID SUPPORTING MEANS, A FLIPPER ARM CARRIED BY SAID SHAFT SAND FOF A LENGTH TO EXTEND BEYOND SAID SUPPORTING MEANS AND TO PROJECT ACROSS SAID PATH OF MOVEMENT OF THE MEMBERS SO AS TO BE ENGAGED THEREBY TO ROTATE SAID SHAFT, ELECTRIC SIGNAL EFFECTING MEANS CARRIED BY SAID SUPPORTING MEANS, AND A MEMBER HAVING A PERIPHERY OPPOSED TO SAID SIGNAL EFFECTING MEANS AND ROTATABLY ACTUATED BY SAID SHAFT TO OPERATE SAID SIGNAL-EFFECTING MEANS, SAID PERIPHERY OF SAID MEMBER AND SAID SIGNAL-EFFECTING MEANS COACTING TO MAINTAIN SAID ROTATABLY ACTUATED MEMBER AND THUS SAID SHAFT AND SAID FLIPPER ARM IN A NORMAL DISPOSITION WHEREIN SAID ARM PROJECTS ACROSS SAID PATH.
Claim 2
Dependent Claim
154 words
IN AW SENSING SWITCH CONSTRUCTION, SUPPORTING MEANS ADAPTED TO BE DISPOSED ADJACENT TO THE PATH OF MOVEMENT OF SUCCESSIVE MEMBERS TO BE SENSED AS THEY PASS THEREBY AND INCLUDING ATTACHMENT STRUCTURE FOR SECURING IT IN OPERATIVE POSITION RELATIVE TO SAID PATH, A SHAFT ROTATABLY SUPPORTED BY SAID SUPPORTING MEANS, A FLIPPER ARM CARRIED BY SAID SHAFT SAND FOF A LENGTH TO EXTEND BEYOND SAID SUPPORTING MEANS AND TO PROJECT ACROSS SAID PATH OF MOVEMENT OF THE MEMBERS SO AS TO BE ENGAGED THEREBY TO ROTATE SAID SHAFT, ELECTRIC SIGNAL EFFECTING MEANS CARRIED BY SAID SUPPORTING MEANS, AND A MEMBER HAVING A PERIPHERY OPPOSED TO SAID SIGNAL EFFECTING MEANS AND ROTATABLY ACTUATED BY SAID SHAFT TO OPERATE SAID SIGNAL-EFFECTING MEANS, SAID PERIPHERY OF SAID MEMBER AND SAID SIGNAL-EFFECTING MEANS COACTING TO MAINTAIN SAID ROTATABLY ACTUATED MEMBER AND THUS SAID SHAFT AND SAID FLIPPER ARM IN A NORMAL DISPOSITION WHEREIN SAID ARM PROJECTS ACROSS SAID PATH.
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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |