US3082308A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit interrupter
Assignee: Westinghouse Electric Corp
•
Filing: 1957-12-06
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Granted: 1963-03-19
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Expires: 1977-12-06
Abstract
No abstract record available.
Inventors
- 👤 Benjamin P Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:40
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/04; H01H33/18; H01H33/182; H01H33/70; H01H33/88; H01H33/90; H01H33/91; H01H33/027; H01H33/14; H01H33/53; H01H33/56; H01H33/565; H01H33/901; H01H33/903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A CIRCUIT INTERRUPTER INCLUDING MEANS DEFINING A STATIONARY ANNULAR ORIFICE PASSAGE, AN OPERATING ROD RECIPROCALLY MOVABLE THROUGH THE CENTER OF SAID STATIONARY ANNULAR ORIFICE PASSAGE AND CARRYING A CYLINDRICALLY-SHAPED MOVABLE CONTACT THEREWITH, A RELATIVELY STATIONARY CONTACT COOPERABLE WITH SAID CYLINDRICALLY-SHAPED MOVABLE CONTACT TO ESTABLISH AN ARC WITHIN THE STATIONARY ANNULAR ORIFICE PASSAGE, SAID RELATIVELY STATIONARY CONTACT INCLUDING A PLURALITY OF CIRCUMFERENTIALLY-SPACED FINGER CONTACTS, FLUID PASSAGE MEANS ASSOCIATED WITH THE SPACES BETWEEN SAID PLURALITY OF FINGER CONTACTS, SAID ROD CARRYING A FLUID DRIVING PISTON ON THE SIDE OF SAID FINGERS AWAY FROM THE MOVABLE CONTACT, AND MEANS SETTING UP A RADIAL MAGNETIC FIELD ACROSS SAID ANNULAR ORIFICE PASSAGE TO EFFECT THE ROTATION OF THE ARC WITHIN SAID ANNULAR ORIFICE PASSAGE.
Claim 2
Dependent Claim
119 words
A CIRCUIT INTERRUPTER INCLUDING MEANS DEFINING A STATIONARY ANNULAR ORIFICE PASSAGE, AN OPERATING ROD RECIPROCALLY MOVABLE THROUGH THE CENTER OF SAID STATIONARY ANNULAR ORIFICE PASSAGE AND CARRYING A CYLINDRICALLY-SHAPED MOVABLE CONTACT THEREWITH, A RELATIVELY STATIONARY CONTACT COOPERABLE WITH SAID CYLINDRICALLY-SHAPED MOVABLE CONTACT TO ESTABLISH AN ARC WITHIN THE STATIONARY ANNULAR ORIFICE PASSAGE, SAID RELATIVELY STATIONARY CONTACT INCLUDING A PLURALITY OF CIRCUMFERENTIALLY-SPACED FINGER CONTACTS, FLUID PASSAGE MEANS ASSOCIATED WITH THE SPACES BETWEEN SAID PLURALITY OF FINGER CONTACTS, SAID ROD CARRYING A FLUID DRIVING PISTON ON THE SIDE OF SAID FINGERS AWAY FROM THE MOVABLE CONTACT, AND MEANS SETTING UP A RADIAL MAGNETIC FIELD ACROSS SAID ANNULAR ORIFICE PASSAGE TO EFFECT THE ROTATION OF THE ARC WITHIN SAID ANNULAR ORIFICE PASSAGE.
References Cited (Backward Citations)
US2103121A
Cited
US2064652A
Cited
US2140378A
Cited
CH197972A
Cited
US2261020A
Cited
US2227134A
Cited
US2253009A
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US2333598A
Cited
US2411892A
Cited
US2459599A
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US2534920A
Cited
US2667556A
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US2725446A
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FR1115350A
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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) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |