Patent US4124851A successfully refreshed from Google Patents.
Patent US3141944A successfully refreshed from Google Patents.
US3141944A
Expired / Lapsed
US
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Safety control switch for power tools
Assignee: Thor Power Tool Co
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Filing: 1961-08-18
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Granted: 1964-07-21
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Expires: 1981-08-18
Abstract
No abstract record available.
Inventors
- 👤 Voe Paul R De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:42
CPC Classifications
H; H01; H01H; H01H21/00; H01H21/02; H01H21/04; H01H21/10; H01H9/00; H01H9/02; H01H9/06; H01H2009/068; Y; Y10; Y10S; Y10S408/00; Y10S408/71
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
AN ENGINE CONTROL COMPRISING A SUPPORT, A LEVER PIVOTALLY MOUNTED ON SAID SUPPORT, AN INSULATOR MEMBER SLIDABLY CARRIED ON SAID LEVER, AND ELECTRICAL CONTACT MEMBER MOUNTED ON SAID SUPPORT, SAID INSULATOR MEMBER IN ONE POSITION THEREOF PERMITTING ENGAGEMENT OF SAID ELECTRICAL CONTACT MEMBER WITH SAID LEVER AND IN ANOTHER POSITION THEREOF PREVENTING ENGAGEMENT OF SAID ELECTRICAL CONTACT MEMBER WITH SAID LEVER, AND MEANS COACTING BETWEEN SAID SUPPORT AND SAID LEVER FOR EFFECTING A SHIFTING OF SAID INSULATOR MEMBER IN RESPONSE TO PIVOTAL MOVEMENT OF SAID LEVER.
Claim 2
Dependent Claim
86 words
AN ENGINE CONTROL COMPRISING A SUPPORT, A LEVER PIVOTALLY MOUNTED ON SAID SUPPORT, AN INSULATOR MEMBER SLIDABLY CARRIED ON SAID LEVER, AND ELECTRICAL CONTACT MEMBER MOUNTED ON SAID SUPPORT, SAID INSULATOR MEMBER IN ONE POSITION THEREOF PERMITTING ENGAGEMENT OF SAID ELECTRICAL CONTACT MEMBER WITH SAID LEVER AND IN ANOTHER POSITION THEREOF PREVENTING ENGAGEMENT OF SAID ELECTRICAL CONTACT MEMBER WITH SAID LEVER, AND MEANS COACTING BETWEEN SAID SUPPORT AND SAID LEVER FOR EFFECTING A SHIFTING OF SAID INSULATOR MEMBER IN RESPONSE TO PIVOTAL MOVEMENT OF SAID LEVER.
References Cited (Backward Citations)
US2867700A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |