Patent US3140375A successfully refreshed from Google Patents.
US3140375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alternating current switch having wiping contacts
Assignee: General Electric Canada Co
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Filing: 1962-05-08
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Granted: 1964-07-07
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Expires: 1982-05-08
Abstract
No abstract record available.
Inventors
- 👤 Huibrechtse Cornelis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:49
CPC Classifications
H; H01; H01H; H01H23/00; H01H23/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
AN ELECTRIC SWITCH COMPRISING A RECESSED INSULATING COVER MEMBER HAVING A FRONT WALL, SIDE WALLS, END WALLS, AND AN OPEN BACK, AN APERTURE IN SAID FRONT WALL FOR RECEIVING THE HANDLE PORTION OF A TRIGGER MEMBER PIVOTALLY MOUNTED WITHIN SAID COVER MEMBER, AT LEAST TWO SPACED NOTCHES IN ONE OF SAID SIDE WALLS EXTENDING FROM THE BACK EDGE THEREOF FOR ACCOMMODATING CONDUCTOR TERMINALS, CONTACT MEMBERS ATTACHED TO SAID TERMINALS AND CAPABLE OF ACTUATION BY SAID TRIGGER MEMBER, SPRING MEANS LOCATED WITHIN SAID COVER MEMBER AND IN CONTACT WITH SAID TRIGGER MEMBER FOR COOPERATION THEREWITH SO AS TO BIAS SAID TRIGGER MEMBER INTO AN "ON" OR "OFF" POSITION, AN INSULATING PLATE FOR CLOSING THE OPEN BACK OF SAID COVER MEMBER, AND A U-SHAPED SUPPORTING STRAP SECURED AGAINST SAID INSULATING PLATE AND THE END WALLS OF SAID COVER MEMBER.
Claim 2
Dependent Claim
137 words
AN ELECTRIC SWITCH COMPRISING A RECESSED INSULATING COVER MEMBER HAVING A FRONT WALL, SIDE WALLS, END WALLS, AND AN OPEN BACK, AN APERTURE IN SAID FRONT WALL FOR RECEIVING THE HANDLE PORTION OF A TRIGGER MEMBER PIVOTALLY MOUNTED WITHIN SAID COVER MEMBER, AT LEAST TWO SPACED NOTCHES IN ONE OF SAID SIDE WALLS EXTENDING FROM THE BACK EDGE THEREOF FOR ACCOMMODATING CONDUCTOR TERMINALS, CONTACT MEMBERS ATTACHED TO SAID TERMINALS AND CAPABLE OF ACTUATION BY SAID TRIGGER MEMBER, SPRING MEANS LOCATED WITHIN SAID COVER MEMBER AND IN CONTACT WITH SAID TRIGGER MEMBER FOR COOPERATION THEREWITH SO AS TO BIAS SAID TRIGGER MEMBER INTO AN "ON" OR "OFF" POSITION, AN INSULATING PLATE FOR CLOSING THE OPEN BACK OF SAID COVER MEMBER, AND A U-SHAPED SUPPORTING STRAP SECURED AGAINST SAID INSULATING PLATE AND THE END WALLS OF SAID COVER MEMBER.
References Cited (Backward Citations)
US1500888A
Cited
US1662422A
Cited
US2365120A
Cited
US2669613A
Cited
US2967215A
Cited
US2969443A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |