Patent US3399286A successfully refreshed from Google Patents.
US3399286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High voltage electric swtich
Assignee: Powerdyne Inc
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Filing: 1966-03-07
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Granted: 1968-08-27
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Expires: 1986-03-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles E Kerr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:55
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/60; H01H33/66; H01H33/666; H01H33/6661; H01H33/02; H01H33/04; H01H33/12; H01H33/121; H01H33/122; H01H33/53; H01H33/55; H01H9/00; H01H9/02; H01H2009/0292
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
AN ELECTRIC SWITCH COMPRISING (A) A HOUSING, (B) A PAIR OF TERMINAL MEMBERS SUPPORTED BY THE HOUSING IN SPACED APART RELATION, (C) A PRIMARY CONTACT MEMBER ENGAGING ONE OF THE TERMINAL MEMBERS, (D) A SECONDARY CONTACT MEMBER ENGAGING THE OTHER TERMINAL MEMBER AND MOVABLE RELATIVE TO THE PRIMARY CONTACT MEMBER, (E) A MOVABLE VACUUM INTERRUPTER MEMBER HAVING A FIXED CONTACT AND A MOVABLE CONTACT, (F) CONTACTOR MEANS CONNECTED TO THE FIXED CONTACT OF THE INTERRUPTER MEMBER AND ARRANGED FOR RELEASABLE ENGAGEMENT SELECTIVELY WITH THE PRIMARY CONTACT MEMBER AND SECONDARY CONTACT MEMBER, AND (G) CONDUCTOR MEANS INTERCONNECTING THE MOVABLE CONTACT OF THE INTERRUPTER MEMBER AND THE TERMINAL MEMBER ENGAGING THE SECONDARY CONTACT MEMBER.
Claim 2
Dependent Claim
112 words
AN ELECTRIC SWITCH COMPRISING (A) A HOUSING, (B) A PAIR OF TERMINAL MEMBERS SUPPORTED BY THE HOUSING IN SPACED APART RELATION, (C) A PRIMARY CONTACT MEMBER ENGAGING ONE OF THE TERMINAL MEMBERS, (D) A SECONDARY CONTACT MEMBER ENGAGING THE OTHER TERMINAL MEMBER AND MOVABLE RELATIVE TO THE PRIMARY CONTACT MEMBER, (E) A MOVABLE VACUUM INTERRUPTER MEMBER HAVING A FIXED CONTACT AND A MOVABLE CONTACT, (F) CONTACTOR MEANS CONNECTED TO THE FIXED CONTACT OF THE INTERRUPTER MEMBER AND ARRANGED FOR RELEASABLE ENGAGEMENT SELECTIVELY WITH THE PRIMARY CONTACT MEMBER AND SECONDARY CONTACT MEMBER, AND (G) CONDUCTOR MEANS INTERCONNECTING THE MOVABLE CONTACT OF THE INTERRUPTER MEMBER AND THE TERMINAL MEMBER ENGAGING THE SECONDARY CONTACT MEMBER.
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) | 1971-08-27 | 1972-02-26 | 1972-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-27 | 1976-02-26 | 1976-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-27 | 1980-02-26 | 1980-08-27 | $7700.00 | Window Closed / Lapsed |