Patent US3198992A successfully refreshed from Google Patents.
US3198992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit breaker and panelboard
Assignee: Murray Manufacturing Corp
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Filing: 1962-10-29
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Granted: 1965-08-03
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Expires: 1982-10-29
Abstract
No abstract record available.
Inventors
- 👤 Alexander R Norden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:35
CPC Classifications
H; H02; H02B; H02B1/00; H02B1/015; H02B1/04; H02B1/056
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
IN A PANELBOARD HAVING DIFFERENT POLARITY POWER BUSSES FROM WHICH PARALLEL BUS BLADES ACCESSIBLY PROJECT IN AN ARRAY ALONG THE BUSSES, THE BLADES OF ONE BUS BEING SO DISPOSED IN THE ARRAY THAT ANY TWO ADJACENT BLADES ARE OF DIFFERENT POLARITY; DETACHABLE CIRCUIT BREAKER UNITS, EACH INCLUDING AN EXPOSED SIDE CONTACT SURFACE FOR WIPING ENGAGEMENT WITH ONE SIDE ONLY OF A BUS BLADE, AND EACH BREAKER UNIT BEING DISPOSED TO THE ENGAGED SIDE OF THE BUS BLADE, AND MEANS ON THE PANELBOARD COACTING WITH THE BREAKER UNITS FOR OPERATIVELY POSITIONING SAID UNITS BETWEEN THE BLADES IN THE ARRAY, WITH THE SIDE CONTACT SURFACES THEREOF EACH CONTIGUOUS A BLADE.
Claim 2
Dependent Claim
108 words
IN A PANELBOARD HAVING DIFFERENT POLARITY POWER BUSSES FROM WHICH PARALLEL BUS BLADES ACCESSIBLY PROJECT IN AN ARRAY ALONG THE BUSSES, THE BLADES OF ONE BUS BEING SO DISPOSED IN THE ARRAY THAT ANY TWO ADJACENT BLADES ARE OF DIFFERENT POLARITY; DETACHABLE CIRCUIT BREAKER UNITS, EACH INCLUDING AN EXPOSED SIDE CONTACT SURFACE FOR WIPING ENGAGEMENT WITH ONE SIDE ONLY OF A BUS BLADE, AND EACH BREAKER UNIT BEING DISPOSED TO THE ENGAGED SIDE OF THE BUS BLADE, AND MEANS ON THE PANELBOARD COACTING WITH THE BREAKER UNITS FOR OPERATIVELY POSITIONING SAID UNITS BETWEEN THE BLADES IN THE ARRAY, WITH THE SIDE CONTACT SURFACES THEREOF EACH CONTIGUOUS A BLADE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |