US3155802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
U-shaped cradle for circuit breaker
Assignee: ITE Circuit Breaker Co
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Filing: 1961-05-09
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Granted: 1964-11-03
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Expires: 1981-05-09
Abstract
No abstract record available.
Inventors
- 👤 Ernest R Wortmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:25
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/50; H01H71/52; H01H71/522; H01H71/525
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
IN A CIRCUIT BREAKER, A PAIR OF COOPERATING CONTACTS AND A MECHANISM FOR OPERATING SAID CONTACTS INTO AND OUT OF ENGAGEMENT; SAID MECHANISM COMPRISING A LATCHABLE CRADLE, A MOVABLE CONTACT ARM CARRYING ONE OF SAID COOPERATING CONTACTS, FIRST MEANS CONNECTING SAID CRADLE AND SAID CONTACT ARM IN A MANNER SUCH THAT SAID CONTACTS CANNOT BE OPERATED INTO ENGAGEMENT UNLESS SAID CRADLE IS IN A LATCHED POSITION, AN OPERATING SPRING MEANS URGING SAID CRADLE TO A TRIPPED POSITION; SAID CRADLE COMPRISING A U-SHAPED MEMBER; A PIVOTAL MOUNTING FOR SAID CRADLE, SAID MOUNTING COMPRISING INDIVIDUAL PIN MEANS FOR EACH ARM OF THE CRADLE, SAID PIN MEANS BEING AXIALLY ALIGNED AND SPACED FROM EACH OTHER, EACH OF SAID PIN MEANS EXTENDING OUTBOARD OF ITS RESPECTIVE ARM; SAID CONTACT ARM
Claim 2
Dependent Claim
126 words
IN A CIRCUIT BREAKER, A PAIR OF COOPERATING CONTACTS AND A MECHANISM FOR OPERATING SAID CONTACTS INTO AND OUT OF ENGAGEMENT; SAID MECHANISM COMPRISING A LATCHABLE CRADLE, A MOVABLE CONTACT ARM CARRYING ONE OF SAID COOPERATING CONTACTS, FIRST MEANS CONNECTING SAID CRADLE AND SAID CONTACT ARM IN A MANNER SUCH THAT SAID CONTACTS CANNOT BE OPERATED INTO ENGAGEMENT UNLESS SAID CRADLE IS IN A LATCHED POSITION, AN OPERATING SPRING MEANS URGING SAID CRADLE TO A TRIPPED POSITION; SAID CRADLE COMPRISING A U-SHAPED MEMBER; A PIVOTAL MOUNTING FOR SAID CRADLE, SAID MOUNTING COMPRISING INDIVIDUAL PIN MEANS FOR EACH ARM OF THE CRADLE, SAID PIN MEANS BEING AXIALLY ALIGNED AND SPACED FROM EACH OTHER, EACH OF SAID PIN MEANS EXTENDING OUTBOARD OF ITS RESPECTIVE ARM; SAID CONTACT ARM
References Cited (Backward Citations)
US2829219A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |