US3346710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High voltage visible oil switch
Assignee: Plastics Inc
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Filing: 1965-07-12
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Granted: 1967-10-10
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Expires: 1985-07-12
Abstract
No abstract record available.
Inventors
- 👤 Ralph B Weston
- 👤 Albert E Colato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:59
CPC Classifications
H; H01; H01H; H01H21/00; H01H21/54; H01H21/56; H01H33/00; H01H33/02; H01H33/04; H01H33/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
140 words
A SWITCH COMPRISING: A SEALED SWITCH HOUSING INCLUDING A TOP CLOSURE, A BOTTOM CLOSURE, AND PERIPHERAL TRANSPARENT WALLS CONNECTING SAID CLOSURE, A PAIR OF RESILIENT CONTACT BLADES INCLUDING HORIZONTAL LOWER END PORTIONS, UPWARDLY AND INWARDLY INCLINED INTERMEDIATE PORTIONS, AND UPWARDLY AND OUTWARDLY INCLINED UPPER END PORTIONS ARRANGED IN OPPOSED RELATION AND NORMALLY IN CONTACT AT THE JUNCTURE BETWEEN THE INTERMEDIATE PORTIONS AND THE UPPER END PORTIONS, ELECTRICALLY CONDUCTIVE BLADE SECURING MEANS EXTENDING THROUGH SAID HORIZONTAL BLADE PORTIONS AND SAID BOTTOM CLOSURE, A CIRCUIT BREAKER BLADE, A PAIR OF PARALLEL BREAKER BLADE SUPPORTS SECURED TO SAID CIRCUIT BREAKER BLADE AND EXTENDING THROUGH, AND SLIDEABLY SUPPORTED BY SAID TOP CLOSURE, SAID BLADE SUPPORTS SUPPORTING SAID BREAKER BLADE FOR MOVEMENT FROM A POSITION BETWEEN SAID BLADES TO A POSITION ABOVE SAID BLADES, AND A HANDLE CONNECTING THE UPPER ENDS OF SAID BLADE SUPPORTS.
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) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |