US3097326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit breaker panelboards
Assignee: Federal Pacific Electric Co
•
Filing: 1958-11-12
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Granted: 1963-07-09
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Expires: 1978-11-12
Abstract
No abstract record available.
Inventors
- 👤 Thomas M Cole
- 👤 Frank H Roby
- 👤 Alexander R Norden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:09
CPC Classifications
H; H02; H02B; H02B1/00; H02B1/015; H02B1/04; H02B1/056
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A CIRCUIT BREAKER PANELBOARD HAVING MEANS FOR SECURING A CIRCUIT BREAKER THEREON IN A CIRCUIT BREAKER MOUNTING REGION, SAID PANALBOARD INCLUDING A SHEET METAL COMPONENT HAVING A PLURALITY OF DISTINCTIVELY POSITIONED AND MUTUALLY SEPARATED KNOCK-OUTS IN EACH SAID REGION SAID KNOCKOUTS IN EACH REGION BEING DISPOSED CLOSELY ADJACENT TO A CIRCUIT BREAKER THAT MAY BE MOUNTED IN SUCH REGION AND EACH OF SAID KNOCKOUTS BEING RECEIVED IN AN OPENING IN SAID SHEET METAL COMPONENT AND FULLY CLOSING OFF SAID OPENING AND BEING FORMED SO AS TO BE EASILY DISPLACEABLE ONLY BY ACCESS TO THE CONCEALED OR BACK FACE OF SAID COMPONENT, SAID KNOCK-OUTS BEING SELECTIVELY DISPLACEABLE TO CLASSIFY SAID REGION ACCORDING TO THE RATING CLASSIFICATION OF A MATING CIRCUIT BREAKER AND SAID PANELBOARD BEING ARRANGED TO INHIBIT ACCESS TO THE REAR OF SAID COMPONENT.
Claim 2
Dependent Claim
134 words
A CIRCUIT BREAKER PANELBOARD HAVING MEANS FOR SECURING A CIRCUIT BREAKER THEREON IN A CIRCUIT BREAKER MOUNTING REGION, SAID PANALBOARD INCLUDING A SHEET METAL COMPONENT HAVING A PLURALITY OF DISTINCTIVELY POSITIONED AND MUTUALLY SEPARATED KNOCK-OUTS IN EACH SAID REGION SAID KNOCKOUTS IN EACH REGION BEING DISPOSED CLOSELY ADJACENT TO A CIRCUIT BREAKER THAT MAY BE MOUNTED IN SUCH REGION AND EACH OF SAID KNOCKOUTS BEING RECEIVED IN AN OPENING IN SAID SHEET METAL COMPONENT AND FULLY CLOSING OFF SAID OPENING AND BEING FORMED SO AS TO BE EASILY DISPLACEABLE ONLY BY ACCESS TO THE CONCEALED OR BACK FACE OF SAID COMPONENT, SAID KNOCK-OUTS BEING SELECTIVELY DISPLACEABLE TO CLASSIFY SAID REGION ACCORDING TO THE RATING CLASSIFICATION OF A MATING CIRCUIT BREAKER AND SAID PANELBOARD BEING ARRANGED TO INHIBIT ACCESS TO THE REAR OF SAID COMPONENT.
References Cited (Backward Citations)
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Cited
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Cited
US2766405A
Cited
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Cited
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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) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |