Patent US3139495A successfully refreshed from Google Patents.
US3139495A
Expired / Lapsed
US
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Sectionalizer switch having adjustable count to lockout
Assignee: Westinghouse Electric Corp
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Filing: 1961-09-19
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Granted: 1964-06-30
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Expires: 1981-09-19
Abstract
No abstract record available.
Inventors
- 👤 John E Harder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:00
CPC Classifications
H; H01; H01H; H01H75/00; H01H75/02; H01H75/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A SWITCHING APPARATUS, COMPRISING: SEPARABLE CONTACTS, TRIP MEANS OPERABLE TO EFFECT SEPARATION OF SAID CONTACTS, MEANS FOR COUNTING CONSECUTIVE OCCURENCES OF A PREDETERMINED CIRCUIT CONDITION AND INCLUDING MEANS ADVANCEABLE A PREDETERMINED INCREMENT TOWARD OPERABLE ENGAGEMENT WITH SAID TRIP MEANS FOR EACH OCCURRENCE OF SAID CIRCUIT CONDITION; MEANS FOR RESETTING SAID ADVANCEABLE MEANS AFTER A COUNTING OPERATION; MEANS ENGAGEABLE WITH SAID ADVANCEABLE MEANS TO LIMIT THE NUMBER OF INCREMENTS THE ADVANCEABLE MEANS MAY MOVE TOWARD RESET FROM THE FULLY ADVANCED TRIPPING POSITION; ELECTRORESPON-
Claim 2
Dependent Claim
82 words
A SWITCHING APPARATUS, COMPRISING: SEPARABLE CONTACTS, TRIP MEANS OPERABLE TO EFFECT SEPARATION OF SAID CONTACTS, MEANS FOR COUNTING CONSECUTIVE OCCURENCES OF A PREDETERMINED CIRCUIT CONDITION AND INCLUDING MEANS ADVANCEABLE A PREDETERMINED INCREMENT TOWARD OPERABLE ENGAGEMENT WITH SAID TRIP MEANS FOR EACH OCCURRENCE OF SAID CIRCUIT CONDITION; MEANS FOR RESETTING SAID ADVANCEABLE MEANS AFTER A COUNTING OPERATION; MEANS ENGAGEABLE WITH SAID ADVANCEABLE MEANS TO LIMIT THE NUMBER OF INCREMENTS THE ADVANCEABLE MEANS MAY MOVE TOWARD RESET FROM THE FULLY ADVANCED TRIPPING POSITION; ELECTRORESPON-
References Cited (Backward Citations)
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US2125157A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |