US3211866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum type electric circuit interrupter with plural parallel-connected contact points
Assignee: General Electric Co
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Filing: 1963-02-05
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Granted: 1965-10-12
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Expires: 1983-02-05
Abstract
No abstract record available.
Inventors
- 👤 Donald W Crouch
- 👤 Thomas H Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:43
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/60; H01H33/66; H01H33/664; H01H33/6646
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A VACUUM-TYPE CIRCUIT INTERRUPTER COMPRISING: (A) A GENERALLY STATIONARY CONTACT STRUCTURE, (B) A FIRST MOVABLE CONTACT ENGAGEABLE WITH SAID STATIONARY CONTACT STRUCTURE WHEN SAID INTERRUPTER IS CLOSED, (C) A SECOND MOVABLE CONTACT OF ANNULAR CONFIGURATION SURROUNDING SAID FIRST MOVABLE CONTACT AND ENGAGEABLE WITH SAID STATIONARY CONTACT STRUCTURE WHEN SAID INTERRUPTER IS CLOSED, (D) SAID SECOND MOVABLE CONTACT BEING RELATIVELY MOVABLE WITH RESPECT TO SAID FIRST MOVABLE CONTACT, (E) A GENERALLY STATIONARY ARC-RUNNING ELECTRODE OF ANNULAR CONFIGURATION SPACED FROM SAID GENERALLY STATIONARY CONTACT STRUCTURE AND SURROUNDING SAID FIRST AND SECOND MOVABLE CONTACTS,
Claim 2
Dependent Claim
91 words
A VACUUM-TYPE CIRCUIT INTERRUPTER COMPRISING: (A) A GENERALLY STATIONARY CONTACT STRUCTURE, (B) A FIRST MOVABLE CONTACT ENGAGEABLE WITH SAID STATIONARY CONTACT STRUCTURE WHEN SAID INTERRUPTER IS CLOSED, (C) A SECOND MOVABLE CONTACT OF ANNULAR CONFIGURATION SURROUNDING SAID FIRST MOVABLE CONTACT AND ENGAGEABLE WITH SAID STATIONARY CONTACT STRUCTURE WHEN SAID INTERRUPTER IS CLOSED, (D) SAID SECOND MOVABLE CONTACT BEING RELATIVELY MOVABLE WITH RESPECT TO SAID FIRST MOVABLE CONTACT, (E) A GENERALLY STATIONARY ARC-RUNNING ELECTRODE OF ANNULAR CONFIGURATION SPACED FROM SAID GENERALLY STATIONARY CONTACT STRUCTURE AND SURROUNDING SAID FIRST AND SECOND MOVABLE CONTACTS,
References Cited (Backward Citations)
GB787846A
Cited
US2976382A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |