Patent US2941974A successfully refreshed from Google Patents.
US3142741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snap acting trigger switch
Assignee: Illinois Tool Works Inc
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Filing: 1962-07-11
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Granted: 1964-07-28
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Expires: 1982-07-11
Abstract
No abstract record available.
Inventors
- 👤 Bury George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:16
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/02; H01H9/06; H01H21/00; H01H21/02; H01H21/18; H01H21/22; H01R; H01R4/00; H01R4/28; H01R4/48; H01R4/4809; H01R4/48185; H01R4/4819; H01R4/4821; H01R4/4846; H01R4/4848; H01H1/00; H01H1/58; H01H1/5844; H01R4/4828; H01R4/483
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
136 words
A TRIGGER SWITCH COMPRISING CHAMBERED BASE MEANS AND COVER MEANS ASSEMBLED TOGETHER TO DEFINE A SWITCH ENCLOSURE HAVING FIRST AND SECOND SPACED OPENINGS, PIVOT MEANS LOCATED ADJACENT SAID FIRST OPENING AND MOUNTED BETWEEN SAID BASE MEANS AND COVER MEANS, MANUALLY ENGAGEABLE PIVOTAL BELL CRANK LEVER MEANS HAVING FIRST AND SECOND ANGULARLY DISPOSED ARMS MOUNTED ON SAID PIVOT MEANS WITH SAID SECOND ARM EXTENDING INTO SAID FIRST OPENING, FIXED CONTACT MEANS MOUNTED IN SAID SWITCH ENCLOSURE HAVING A TERMINAL PORTION EXTENDING ADJACENT SAID SECOND OPENING, MOVABLE CONTACT MEANS COMPRISING A MEMBER HAVING A FIRST PORTION CARRYING A CONTACT ENGAGEABLE WITH SAID FIXED CONTACT MEANS AND A SECOND PORTION DISPOSED ADJACENT TO AND SPACED FROM THE TERMINAL PORTION OF SAID FIXED CONTACT MEANS ADJACENT TO SAID SECOND OPENING, SAID MEMBER HAVING A THIRD PORTION INTERMEDIATE SAID FIRST AND
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |