US3348010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trigger operated tool handle switch
Assignee: Arrow Hart and Hegeman Electric Co
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Filing: 1965-10-24
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Granted: 1967-10-17
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Expires: 1985-10-24
Abstract
No abstract record available.
Inventors
- 👤 David W Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:43
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/02; H01H9/06; H01H1/00; H01H1/58; H01H1/5833; H01H19/00; H01H19/54; H01H19/60; H01H19/635; H01H5/00; H01H5/04; H01H5/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
IN AN ELECTRIC SWITCH, AN INSULATING CASING, FIXED CONTACT MEANS IN SAID CASING, MOVABLE CONTACT MEANS ENGAGEABLE AND DISENGAGEABLE WITH SAID FIXED CONTACT MEANS, A SLIDABLE OPERATING MEMBERS ENGAGING WITH SAID MOVABLE CONTACT MEANS, A MANUALLY OPERABLE ACTUATING MEMBER MOVABLE TO AND FRO, AND U-SHAPED SPRING MEANS HAVING ARMS ENGAGED WITH SAID SLIDABLE OPERATING MEMBER AND ENGAGEABLE SELECTIVELY BY SAID ACTUATING MEMBER AS THE LATTER IS MOVED TO AND FRO, SAID SPRING MEANS BEING STRESSED BY MANUAL MOVEMENT OF SAID ACTUATING MEMBER WHICH CAUSES ENGAGEMENT OF ONE SPRING ARM OR ANOTHER, SAID SPRING MEANS UPON BECOMING SUFFICIENTLY STRESSED CAUSING SAID MOVABLE CONTACT MEANS TO ENGAGE OR DISENGAGE SAID FIXED CONTACT MEANS.
Claim 2
Dependent Claim
111 words
IN AN ELECTRIC SWITCH, AN INSULATING CASING, FIXED CONTACT MEANS IN SAID CASING, MOVABLE CONTACT MEANS ENGAGEABLE AND DISENGAGEABLE WITH SAID FIXED CONTACT MEANS, A SLIDABLE OPERATING MEMBERS ENGAGING WITH SAID MOVABLE CONTACT MEANS, A MANUALLY OPERABLE ACTUATING MEMBER MOVABLE TO AND FRO, AND U-SHAPED SPRING MEANS HAVING ARMS ENGAGED WITH SAID SLIDABLE OPERATING MEMBER AND ENGAGEABLE SELECTIVELY BY SAID ACTUATING MEMBER AS THE LATTER IS MOVED TO AND FRO, SAID SPRING MEANS BEING STRESSED BY MANUAL MOVEMENT OF SAID ACTUATING MEMBER WHICH CAUSES ENGAGEMENT OF ONE SPRING ARM OR ANOTHER, SAID SPRING MEANS UPON BECOMING SUFFICIENTLY STRESSED CAUSING SAID MOVABLE CONTACT MEANS TO ENGAGE OR DISENGAGE SAID FIXED CONTACT MEANS.
References Cited (Backward Citations)
US2966560A
Cited
US3225156A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |