Patent US3264438A successfully refreshed from Google Patents.
US3264438A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Positive action circuit breaking switch
Assignee: Zeneca Inc
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Filing: 1964-04-29
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Granted: 1966-08-02
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Expires: 1984-04-29
Abstract
No abstract record available.
Inventors
- 👤 Benjamin A Gay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:42
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/30; H01H9/32; H01H39/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A CIRCUIT BREAKING SWITCH COMPRISING A PAIR OF CONDUCTORS, A CONNECTING BAR CONNECTING SAID PAIR OF CONDUCTORS, SAID CONNECTING BAR HAVING A NOTCHED STEM SECTION THEREON, SAID NOTCHED STEM SECTION POSITIONED WITHIN THE COILS OF A SPRING MEANS, SAID SPRING MEANS URGING SAID BAR INTO A POSITION OF CONTACT WITH SAID PAIR OF CONDUCTORS, A DRIVING MEANS POSITIONED TO FORCE SAID BAR AGAINST THE URGING OF SAID SPRING MEANS TO COMPRESS SAID SPRING MEANS, AND SAID NOTCHED PORTION ON SAID STEM SECTION OF SAID BAR ADAPTED TO CATCH AND HOLD SAID SPRING MEANS IN A COMPRESSED POSITION FREEING SAID BAR FROM FURTHER URGING FROM SAID SPRING MEANS.
Claim 2
Dependent Claim
107 words
A CIRCUIT BREAKING SWITCH COMPRISING A PAIR OF CONDUCTORS, A CONNECTING BAR CONNECTING SAID PAIR OF CONDUCTORS, SAID CONNECTING BAR HAVING A NOTCHED STEM SECTION THEREON, SAID NOTCHED STEM SECTION POSITIONED WITHIN THE COILS OF A SPRING MEANS, SAID SPRING MEANS URGING SAID BAR INTO A POSITION OF CONTACT WITH SAID PAIR OF CONDUCTORS, A DRIVING MEANS POSITIONED TO FORCE SAID BAR AGAINST THE URGING OF SAID SPRING MEANS TO COMPRESS SAID SPRING MEANS, AND SAID NOTCHED PORTION ON SAID STEM SECTION OF SAID BAR ADAPTED TO CATCH AND HOLD SAID SPRING MEANS IN A COMPRESSED POSITION FREEING SAID BAR FROM FURTHER URGING FROM SAID SPRING MEANS.
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |