US3329912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multipole circuit breaker with interconnected toggle locks and contact members
Assignee: Wood Electric Corp
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Filing: 1965-10-01
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Granted: 1967-07-04
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Expires: 1985-10-01
Abstract
No abstract record available.
Inventors
- 👤 Lawrence W Brackett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:47
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/1009; H01H71/1027; H01H71/50; H01H71/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A MULTIPOLE CIRCUIT BREAKER UNIT HAVING WITHIN A HOUSING TWO OR MORE SINGLE POLE BREAKERS EACH HAVING MOVABLE CONTACT MEANS AND A MOVEMENT INCLUDING LOCKING MEANS FOR HOLDING THE MOVEMENT IN CIRCUIT MAKING POSITION OR NORMAL CIRCUIT BREAKING POSITION AND FOR OPENING IT TO BREAK CIRCUIT IN RESPONSE TO DETECTING MEANS OPERATIVE TO RELEASE THE LOCKING MEANS IN RESPONSE TO AN ABNORMAL CONDITION, CHARACTERIZED BY: RELEASE MEANS EXTENDING FROM EACH OF SAID LOCKING MEANS FOR UNLOCKING BY MOVEMENT THEREOF, THE LOCKING MEANS TO BREAK CIRCUIT; AND RESPONSE TRANSFER MEANS MOVABLY MOUNTED ON SAID HOUSING AND HAVING, FOR EACH SINGLE BREAKER, LINKED ARM MEANS ENGAGEABLE WITH THE RESPECTIVE MOVABLE CONTACT MEANS AND WITH THE RELEASE MEANS OF THE RESPECTIVE LOCKING MEANS, TO CAUSE SAID UNLOCKING MOVEMENT OF ALL CIRCUIT MAKING SINGLE BREAKERS WHEN ENGAGED BY THE MOVABLE CONTACT OF ANY ONE SINGLE BREAKER UPON OPENING THEREOF BY SAID DETECTING MEANS.
Claim 2
Dependent Claim
149 words
A MULTIPOLE CIRCUIT BREAKER UNIT HAVING WITHIN A HOUSING TWO OR MORE SINGLE POLE BREAKERS EACH HAVING MOVABLE CONTACT MEANS AND A MOVEMENT INCLUDING LOCKING MEANS FOR HOLDING THE MOVEMENT IN CIRCUIT MAKING POSITION OR NORMAL CIRCUIT BREAKING POSITION AND FOR OPENING IT TO BREAK CIRCUIT IN RESPONSE TO DETECTING MEANS OPERATIVE TO RELEASE THE LOCKING MEANS IN RESPONSE TO AN ABNORMAL CONDITION, CHARACTERIZED BY: RELEASE MEANS EXTENDING FROM EACH OF SAID LOCKING MEANS FOR UNLOCKING BY MOVEMENT THEREOF, THE LOCKING MEANS TO BREAK CIRCUIT; AND RESPONSE TRANSFER MEANS MOVABLY MOUNTED ON SAID HOUSING AND HAVING, FOR EACH SINGLE BREAKER, LINKED ARM MEANS ENGAGEABLE WITH THE RESPECTIVE MOVABLE CONTACT MEANS AND WITH THE RELEASE MEANS OF THE RESPECTIVE LOCKING MEANS, TO CAUSE SAID UNLOCKING MOVEMENT OF ALL CIRCUIT MAKING SINGLE BREAKERS WHEN ENGAGED BY THE MOVABLE CONTACT OF ANY ONE SINGLE BREAKER UPON OPENING THEREOF BY SAID DETECTING MEANS.
References Cited (Backward Citations)
US3098912A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |