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Patent US3294942A successfully refreshed from Google Patents.
US3294942A
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Assignee: Ansul Co
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Filing: 1964-08-10
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Granted: 1966-12-27
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Expires: 1984-08-10
Abstract
No abstract record available.
Inventors
- 👤 Howard F Mason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:10
CPC Classifications
H; H01; H01H; H01H15/00; H01H15/02; H01H15/06; H01H15/10; H01H15/102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
IN AN ELECTRICAL SWITCH, THE COMBINATION OF: A HOUSING; A PLUNGER SLIDABLY MOUNTED IN SAID HOUSING AND MOVABLE BETWEEN FIRST AND SECOND POSITIONS AND HAVING A CAM OF ELECTRICAL INSULATING MATERIAL MOVABLE THEREWITH; A CONDUCTOR CARRIED IN SAID PLUNGER AND HAVING A PAIR OF EXPOSED CONTACT FACES; AND A PAIR OF CONTACT CARRIERS MOUNTED IN SAID HOUSING EACH INCLUDING A CONTACT RESILIENTLY URGED TOWARD SAID PLUNGER AND EACH INCLUDING A CAM SURFACE SEPARATE FROM THE CONTACT AND ENGAGEABLE WITH SAID INSULATING CAM WHEN SAID PLUNGER IS INTERMEDIATE SAID FIRST AND SECOND POSITIONS FOR MOVING SAID CONTACTS AWAY FROM SAID PLUNGER AND MAINTAINING AN OPEN CIRCUIT BETWEEN SAID CARRIERS, WITH SAID CONTACTS ENGAGING SAID CONTACT FACES AND COMPLETING A CIRCUIT BETWEEN SAID CARRIERS WHEN SAID PLUNGER IS IN ONE OF SAID POSITIONS.
Claim 2
Dependent Claim
131 words
IN AN ELECTRICAL SWITCH, THE COMBINATION OF: A HOUSING; A PLUNGER SLIDABLY MOUNTED IN SAID HOUSING AND MOVABLE BETWEEN FIRST AND SECOND POSITIONS AND HAVING A CAM OF ELECTRICAL INSULATING MATERIAL MOVABLE THEREWITH; A CONDUCTOR CARRIED IN SAID PLUNGER AND HAVING A PAIR OF EXPOSED CONTACT FACES; AND A PAIR OF CONTACT CARRIERS MOUNTED IN SAID HOUSING EACH INCLUDING A CONTACT RESILIENTLY URGED TOWARD SAID PLUNGER AND EACH INCLUDING A CAM SURFACE SEPARATE FROM THE CONTACT AND ENGAGEABLE WITH SAID INSULATING CAM WHEN SAID PLUNGER IS INTERMEDIATE SAID FIRST AND SECOND POSITIONS FOR MOVING SAID CONTACTS AWAY FROM SAID PLUNGER AND MAINTAINING AN OPEN CIRCUIT BETWEEN SAID CARRIERS, WITH SAID CONTACTS ENGAGING SAID CONTACT FACES AND COMPLETING A CIRCUIT BETWEEN SAID CARRIERS WHEN SAID PLUNGER IS IN ONE OF SAID POSITIONS.
References Cited (Backward Citations)
US1169099A
Cited
US3038053A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |