US3261954A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Current interruption and separation electrode structure for vacuum switching apparatu
Assignee: Joslyn Manufacturing and Supply Co
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Filing: 1965-01-11
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Granted: 1966-07-19
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Expires: 1985-01-11
Abstract
No abstract record available.
Inventors
- 👤 Edward H Yonkers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:23
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/60; H01H33/66; H01H33/664; H01H33/6646
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A VACUUM SWITCHING APPARATUS COMPRISING A DIELECTRIC EVACUATED ENVELOPE, A PAIR OF CONFRONTING CURRENT INTERRUPTION ELECTRODES IN SAID ENVELOPE HAVING CONFRONTING FACES DEFINING EXTENDED ARCING SURFACES, SAID CURRENT INTERRUPTION ELECTRODES BEING FIXED IN PREDETERMINED SPACED APART RELATION, AND A PAIR OF RELATIVELY MOVABLE ARC SEPARATION ELECTRODES IN SAID ENVELOPE PROXIMATELY POSITIONED TO SAID INTERRUPTION ELECTRODES AND MOVABLE BETWEEN A
Claim 2
Dependent Claim
59 words
A VACUUM SWITCHING APPARATUS COMPRISING A DIELECTRIC EVACUATED ENVELOPE, A PAIR OF CONFRONTING CURRENT INTERRUPTION ELECTRODES IN SAID ENVELOPE HAVING CONFRONTING FACES DEFINING EXTENDED ARCING SURFACES, SAID CURRENT INTERRUPTION ELECTRODES BEING FIXED IN PREDETERMINED SPACED APART RELATION, AND A PAIR OF RELATIVELY MOVABLE ARC SEPARATION ELECTRODES IN SAID ENVELOPE PROXIMATELY POSITIONED TO SAID INTERRUPTION ELECTRODES AND MOVABLE BETWEEN A
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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |