US3077525A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit interrupter
Assignee: Westinghouse Electric Corp
•
Filing: 1954-09-20
•
Granted: 1963-02-12
•
Expires: 1974-09-20
Abstract
No abstract record available.
Inventors
- 👤 Lloyd W Dyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:47
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A CIRCUIT INTERRUPTER COMPRISING A UNITARY BASE OF INSULATING MATERIAL, AN AUTOMATIC CIRCUIT BREAKER STRUCTURE MOUNTED ON SAID BASE AT ONE END THEREOF, SAID CIRCUIT BREAKER INCLUDING MAIN CIRCUIT INTERRUPTING CONTACTS AND A CURRENT RESPONSIVE TRIP UNIT ELECTRICALLY CONNECTED IN SERIES SO THAT ALL OF THE CURRENT THROUGH THE CIRCUIT BREAKER FLOWS THROUGH BOTH THE MAIN CIRCUIT INTERRUPTING CONTACTS AND THE CURRENT RESPONSIVE TRIP UNIT, SEALED OR PERMANENTLY SECURED COVER MEANS OF INSULATING MATERIAL PROTECTING AT LEAST THE CURRENT RESPONSIVE TRIP UNIT PORTION OF SAID CIRCUIT BREAKER STRUCTURE, SAID TRIP UNIT BEING OPERABLE TO EFFECT AUTOMATIC OPENING OF SAID CIRCUIT BREAKER, CURRENT LIMITING FUSE MEANS IN ADDITION TO SAID CURRENT RESPONSIVE TRIP UNIT MOUNTED ON SAID BASE AT THE OTHER END THEREOF, TERMINAL MEANS MOUNTED ON ONE END OF SAID BASE CONNECTED TO ONE END OF SAID AUTOMATIC CIRCUIT BREAKER, TERMINAL MEANS ON THE OTHER END OF SAID BASE CONNECTED TO ONE END OF SAID CURRENT-LIMIT-
Claim 2
Dependent Claim
156 words
A CIRCUIT INTERRUPTER COMPRISING A UNITARY BASE OF INSULATING MATERIAL, AN AUTOMATIC CIRCUIT BREAKER STRUCTURE MOUNTED ON SAID BASE AT ONE END THEREOF, SAID CIRCUIT BREAKER INCLUDING MAIN CIRCUIT INTERRUPTING CONTACTS AND A CURRENT RESPONSIVE TRIP UNIT ELECTRICALLY CONNECTED IN SERIES SO THAT ALL OF THE CURRENT THROUGH THE CIRCUIT BREAKER FLOWS THROUGH BOTH THE MAIN CIRCUIT INTERRUPTING CONTACTS AND THE CURRENT RESPONSIVE TRIP UNIT, SEALED OR PERMANENTLY SECURED COVER MEANS OF INSULATING MATERIAL PROTECTING AT LEAST THE CURRENT RESPONSIVE TRIP UNIT PORTION OF SAID CIRCUIT BREAKER STRUCTURE, SAID TRIP UNIT BEING OPERABLE TO EFFECT AUTOMATIC OPENING OF SAID CIRCUIT BREAKER, CURRENT LIMITING FUSE MEANS IN ADDITION TO SAID CURRENT RESPONSIVE TRIP UNIT MOUNTED ON SAID BASE AT THE OTHER END THEREOF, TERMINAL MEANS MOUNTED ON ONE END OF SAID BASE CONNECTED TO ONE END OF SAID AUTOMATIC CIRCUIT BREAKER, TERMINAL MEANS ON THE OTHER END OF SAID BASE CONNECTED TO ONE END OF SAID CURRENT-LIMIT-
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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) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |