US3246098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molded-case electric circuit breaker
Assignee: Schneider Electric USA Inc
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Filing: 1964-07-15
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Granted: 1966-04-12
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Expires: 1984-07-15
Abstract
No abstract record available.
Inventors
- 👤 John S Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:00
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
AN ELECTRIC CIRCUIT BREAKER COMPRISING A MOLDED CASE, A PAIR OF SEPARABLE CONTACTS IN SAID CASE, A RELEASABLY LATCHABLE TRIP LEVER PIVOTALLY MOUNTED IN SAID CASE AND RELEASABLE FROM A LATCHED POSITION TO EFFECT SEPARATION OF SAID CONTACTS, AN INTEGRAL MAGNETIC CORE AND ARMATURE SUPPORT MEMBER DISPOSED IN SAID CASE AND INCLUDING A GENERALLY U-SHAPED MAGNETIC CORE PORTION AND A GENERALLY U-SHAPED ARMATURE SUPPORT PORTION, AND AN ARMATURE PIVOTALLY MOUNTED ON SAID ARMATURE SUPPORT PORTION AND HAVING A FREE END PORTION NORMALLY SPACED FROM AND ADAPTED TO BE ATTRACTED TOWARD SAID MAGNETIC CORE PORTION TO EFFECT RELEASE OF SAID TRIP LEVER, THE LENGTH OF THE LEG PORTIONS OF SAID MAGNETIC CORE PORTION MEASURED FROM THE BIGHT PORTION THEREOF BEING AT LEAST AS GREAT AS THE LENGTH OF SAID BIGHT PORTION MEASURED BETWEEN SAID LEG PORTIONS AND THE GREATER PORTION OF THE LENGTH OF ONE LEG PORTION OF SAID MAGNETIC CORE PORTION BEING FREE OF DIRECT CONNECTION TO THE CORRESPONDING ONE LEG PORTION OF SAID ARMATURE SUPPORT PORTION.
Claim 2
Dependent Claim
167 words
AN ELECTRIC CIRCUIT BREAKER COMPRISING A MOLDED CASE, A PAIR OF SEPARABLE CONTACTS IN SAID CASE, A RELEASABLY LATCHABLE TRIP LEVER PIVOTALLY MOUNTED IN SAID CASE AND RELEASABLE FROM A LATCHED POSITION TO EFFECT SEPARATION OF SAID CONTACTS, AN INTEGRAL MAGNETIC CORE AND ARMATURE SUPPORT MEMBER DISPOSED IN SAID CASE AND INCLUDING A GENERALLY U-SHAPED MAGNETIC CORE PORTION AND A GENERALLY U-SHAPED ARMATURE SUPPORT PORTION, AND AN ARMATURE PIVOTALLY MOUNTED ON SAID ARMATURE SUPPORT PORTION AND HAVING A FREE END PORTION NORMALLY SPACED FROM AND ADAPTED TO BE ATTRACTED TOWARD SAID MAGNETIC CORE PORTION TO EFFECT RELEASE OF SAID TRIP LEVER, THE LENGTH OF THE LEG PORTIONS OF SAID MAGNETIC CORE PORTION MEASURED FROM THE BIGHT PORTION THEREOF BEING AT LEAST AS GREAT AS THE LENGTH OF SAID BIGHT PORTION MEASURED BETWEEN SAID LEG PORTIONS AND THE GREATER PORTION OF THE LENGTH OF ONE LEG PORTION OF SAID MAGNETIC CORE PORTION BEING FREE OF DIRECT CONNECTION TO THE CORRESPONDING ONE LEG PORTION OF SAID ARMATURE SUPPORT PORTION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |