US3250882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric line switch
Assignee: Stackpole Carbon Co
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Filing: 1964-08-26
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Granted: 1966-05-10
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Expires: 1984-08-26
Abstract
No abstract record available.
Inventors
- 👤 Dudley H Campbell
- 👤 James F Sullivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:17
CPC Classifications
H; H01; H01H; H01H21/00; H01H21/02; H01H21/18; H01H21/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
AN ELECTRIC LINE SWITCH COMPRISING AN INSULATING BASE, A FIXED CONTACT MOUNTED ON ONE SIDE OF THE BASE AND HAVING A TERMINAL EXTENDING THROUGH THE BASE, A SPRING CONTACT FORMED FROM A RESILIENT METAL STRIP HAVING A MOUNTING PORTION NEAR ONE END SPACED LATERALLY FROM THE FIXED CONTACT, MEANS SECURING SAID MOUNTING PORTION TO SAID SIDE OF THE BASE WITH THE MAJOR PART OF THE STRIP EXTENDING FROM THE MOUNTING PORTION TOWARD AND ACROSS THE FIXED CONTACT NORMALLY AND OUT OF ENGAGEMENT THEREWITH, THE STRIP AT THE OPPOSITE END OF THE MOUNTING PORTION BEING PROVIDED WITH A PORTION BENT UPON ITSELF AND EXTENDING OUTWARDLY AWAY FROM THE BASE, THE END OF THE STRIP ADJOINING SAID BENT PORTION EXTENDING THROUGH THE BASE TO FORM A SECOND TERMINAL, THE OPPOSITE FREE END OF THE STRIP BEING CONNECTED TO SAID MOUNTING PORTION BY AN OUTWARDLY EXTENDING HUMP PORTION HAVING CONVERGING SIDES, THE OUTER END OF SAID BENT PORTION BEING IN THE FORM OF A HINGE LOOP, A TRIGGER PROVIDED WITH A LONGITUDINAL CHANNEL FACING THE BASE AND
Claim 2
Dependent Claim
174 words
AN ELECTRIC LINE SWITCH COMPRISING AN INSULATING BASE, A FIXED CONTACT MOUNTED ON ONE SIDE OF THE BASE AND HAVING A TERMINAL EXTENDING THROUGH THE BASE, A SPRING CONTACT FORMED FROM A RESILIENT METAL STRIP HAVING A MOUNTING PORTION NEAR ONE END SPACED LATERALLY FROM THE FIXED CONTACT, MEANS SECURING SAID MOUNTING PORTION TO SAID SIDE OF THE BASE WITH THE MAJOR PART OF THE STRIP EXTENDING FROM THE MOUNTING PORTION TOWARD AND ACROSS THE FIXED CONTACT NORMALLY AND OUT OF ENGAGEMENT THEREWITH, THE STRIP AT THE OPPOSITE END OF THE MOUNTING PORTION BEING PROVIDED WITH A PORTION BENT UPON ITSELF AND EXTENDING OUTWARDLY AWAY FROM THE BASE, THE END OF THE STRIP ADJOINING SAID BENT PORTION EXTENDING THROUGH THE BASE TO FORM A SECOND TERMINAL, THE OPPOSITE FREE END OF THE STRIP BEING CONNECTED TO SAID MOUNTING PORTION BY AN OUTWARDLY EXTENDING HUMP PORTION HAVING CONVERGING SIDES, THE OUTER END OF SAID BENT PORTION BEING IN THE FORM OF A HINGE LOOP, A TRIGGER PROVIDED WITH A LONGITUDINAL CHANNEL FACING THE BASE 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) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |