US3098912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Movable arm actuated interconnected circuit breakers
Assignee: Heinemann Electric Co
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Filing: 1961-08-28
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Granted: 1963-07-23
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Expires: 1981-08-28
Abstract
No abstract record available.
Inventors
- 👤 John M Sprague
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:31
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/1009; H01H71/1027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
THE COMBINATION OF A PLURALITY OF SWITCH UNITS, EACH SWITCH UNIT HAVING A PAIR OF RELATIVELY MOVABLE CONTACTS AN AUTOMATICALLY RESETTABLE MECHANISM INCLUDING A MOVABLE ARM CARRYING ONE OF THE CONTACTS AND PIVOTAL TO A POSITION FOR OPENING SAID CONTACTS, AN ELECTROMAGNETIC TRIPPING DEVICE INCLUDING AN ARMATURE FOR INITIATING MOVEMENT OF SAID MECHANISM TO THE OPEN POSITION OF THE CONTACTS, A CAM MEMBER ASSOCIATED WITH EACH MECHANISM ALL OF THE CAM MEMBERS BEING INTERCONNECTED FOR SIMULTANEOUS MOVEMENT UPON THE MOVEMENT OF ANY ONE TO MOVE ALL OF SAID MECHANISMS IN THE CONTACTS OPENING DIRECTION, EACH OF THE CAM MEMBERS HAVING A PORTION ENGAGEABLE WITH THE ASSSOCIATED MOVABLE ARM AND ANOTHER PORTION ENGAGEABLE WITH THE ASSOCIATED ARMATURE.
Claim 2
Dependent Claim
116 words
THE COMBINATION OF A PLURALITY OF SWITCH UNITS, EACH SWITCH UNIT HAVING A PAIR OF RELATIVELY MOVABLE CONTACTS AN AUTOMATICALLY RESETTABLE MECHANISM INCLUDING A MOVABLE ARM CARRYING ONE OF THE CONTACTS AND PIVOTAL TO A POSITION FOR OPENING SAID CONTACTS, AN ELECTROMAGNETIC TRIPPING DEVICE INCLUDING AN ARMATURE FOR INITIATING MOVEMENT OF SAID MECHANISM TO THE OPEN POSITION OF THE CONTACTS, A CAM MEMBER ASSOCIATED WITH EACH MECHANISM ALL OF THE CAM MEMBERS BEING INTERCONNECTED FOR SIMULTANEOUS MOVEMENT UPON THE MOVEMENT OF ANY ONE TO MOVE ALL OF SAID MECHANISMS IN THE CONTACTS OPENING DIRECTION, EACH OF THE CAM MEMBERS HAVING A PORTION ENGAGEABLE WITH THE ASSSOCIATED MOVABLE ARM AND ANOTHER PORTION ENGAGEABLE WITH THE ASSOCIATED ARMATURE.
References Cited (Backward Citations)
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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) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |