Patent US3218499A successfully refreshed from Google Patents.
US3218499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Triggering arrangement for a vacuum spark gap
Assignee: Jennings Radio Manufacturing Corp
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Filing: 1962-12-05
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Granted: 1965-11-16
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Expires: 1982-12-05
Abstract
No abstract record available.
Inventors
- 👤 Jennings Jo Emmett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:04
CPC Classifications
H; H01; H01T; H01T2/00; H01T2/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A VACUUM DISCHARGE DEVICE COMPRISING AN HERMETICALLY SEALED ENVELOPE, A PAIR OF RELATIVELY EQUALLY VAPORIZABLE OPPOSED MAIN ELECTRODES SUPPORTED WITHIN THE ENVELOPE IN ELECTRICALLY INSULATED SPACED RELATION TO PROVIDE A GAP THEREBETWEEN ACROSS WHICH IN ARC MAY STRIKE, AND A TRIGGERING MECHANISM MOUNTED ON THE ENVELOPE AND INCLUDING AN ELECTRICALLY CHARGEABLE TRIGGERING ELECTRODE WITHIN THE ENVELOPE SELECTIVELY MOVEABLE INTO AND OUT OF CONTACT WITH ONE OF THE ELECTRODES TO INITIATE AN ARC DISCHARGE BETWEEN THE MAIN ELECTRODES.
Claim 2
Dependent Claim
77 words
A VACUUM DISCHARGE DEVICE COMPRISING AN HERMETICALLY SEALED ENVELOPE, A PAIR OF RELATIVELY EQUALLY VAPORIZABLE OPPOSED MAIN ELECTRODES SUPPORTED WITHIN THE ENVELOPE IN ELECTRICALLY INSULATED SPACED RELATION TO PROVIDE A GAP THEREBETWEEN ACROSS WHICH IN ARC MAY STRIKE, AND A TRIGGERING MECHANISM MOUNTED ON THE ENVELOPE AND INCLUDING AN ELECTRICALLY CHARGEABLE TRIGGERING ELECTRODE WITHIN THE ENVELOPE SELECTIVELY MOVEABLE INTO AND OUT OF CONTACT WITH ONE OF THE ELECTRODES TO INITIATE AN ARC DISCHARGE BETWEEN THE MAIN ELECTRODES.
References Cited (Backward Citations)
US2151979A
Cited
US2490542A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |