US3247349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Operating mechanism for limit switch using ball and cam means
Assignee: Cutler Hammer Inc
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Filing: 1963-12-04
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Granted: 1966-04-19
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Expires: 1983-12-04
Abstract
No abstract record available.
Inventors
- 👤 Eugene F Duncan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:35
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/02; H01H9/04; H01H19/00; H01H19/54; H01H19/60; H01H19/63; H01H19/635; H01H19/6355; H01H21/00; H01H21/02; H01H21/18; H01H21/22; H01H21/24; H01H21/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
AN ELECTRIC SWITCH OPERATING MECHANISM COMPRISING: A ROTATABLE CAM HAVING A NORMAL CENTER POSITION AND BEING ROTATABLE IN EITHER OF TWO DIRECTIONS FROM SAID CENTER POSITION; CAM FOLLOWER MEANS YIELDABLY ENGAGING SAID CAM FOR BEING DISPLACED BY SAID CAM TO ACTUATE A SWITCH WHEN SAID CAM IS ROTATED WITH RESPECT TO SAID CAM FOLLOWER MEANS; SAID CAM FOLLOWER MEANS BEING FREELY ROTATABLE IN PLACE WITH SAID CAM WHEN SAID CAM IS ROTATED IN ONE DIRECTION FROM SAID CENTER POSITION TO ALLOW SAID CAM FOLLOWER MEANS TO REMAIN UNDISPLACED AND THERE-
Claim 2
Dependent Claim
90 words
AN ELECTRIC SWITCH OPERATING MECHANISM COMPRISING: A ROTATABLE CAM HAVING A NORMAL CENTER POSITION AND BEING ROTATABLE IN EITHER OF TWO DIRECTIONS FROM SAID CENTER POSITION; CAM FOLLOWER MEANS YIELDABLY ENGAGING SAID CAM FOR BEING DISPLACED BY SAID CAM TO ACTUATE A SWITCH WHEN SAID CAM IS ROTATED WITH RESPECT TO SAID CAM FOLLOWER MEANS; SAID CAM FOLLOWER MEANS BEING FREELY ROTATABLE IN PLACE WITH SAID CAM WHEN SAID CAM IS ROTATED IN ONE DIRECTION FROM SAID CENTER POSITION TO ALLOW SAID CAM FOLLOWER MEANS TO REMAIN UNDISPLACED AND THERE-
References Cited (Backward Citations)
US2603731A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |