Patent US3102933A successfully refreshed from Google Patents.
US3102933A
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Multipolar circuit maker and breaker
Assignee: Individual
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Filing: 1961-04-10
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Granted: 1963-09-03
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Expires: 1981-04-10
Abstract
No abstract record available.
Inventors
- 👤 Berthier Emile Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:05
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/53; H01H33/56; H01H50/00; H01H50/16; H01H50/18; H01H50/20; H01H71/00; H01H71/10; H01H71/12; H01H71/14; H01H71/16; H01H71/162; H01H71/40; H01H71/46; H01H73/00; H01H73/48; H01H73/56
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
115 words
A MULTIPOLAR CIRCUIT-BREAKER COMPRISING A PLURALITY OF JUXTAPOSED ELEMENTARY CIRCUIT-BREAKERS INCLUDING EACH AN ELEMENTARY CONTROL KNOB, A YIELDING CONTACT-MAKING BLADE ADAPTED TO BE SET BY THE CONTROL KNOB IN ITS OPERATIVE POSITION, A LEVER PIVOTALLY SECURED TO SAID KNOB AND HOLDING THE CONTACT-MAKING BLADE IN ITS CONTROLLED OPERATIVE POSITION, A MAGNETIC CIRCUIT INCLUDING A STATIONARY SECTION AND A SECTION RIGID WITH THE CONTROL KNOB AND ADAPTED TO MOVE TOWARDS AND AWAY FROM THE STATIONARY SECTION, EACH SECTION BEING CONSTITUTED BY TWO ADJACENT HALF-ANNULI, THE COOPERATING HALF-ANNULI IN THE TWO SECTIONS FACING EACH OTHER TO FORM UPON ENGAGEMENT OF THE TWO SECTIONS, COMPLETE ADJACENT ANNULI, THE AXES OF WHICH ARE PARALLEL AND PERPENDICULAR TO THE DI-
References Cited (Backward Citations)
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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) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |