US3119040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas discharge gap tube
Assignee: General Electric Co
•
Filing: 1960-03-21
•
Granted: 1964-01-21
•
Expires: 1980-03-21
Abstract
No abstract record available.
Inventors
- 👤 Paul C Gardiner
- 👤 Andrew O Jensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:29
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/38; H01J17/40; H01J2893/00; H01J2893/0059
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A GAP TUBE COMPRISING AN ENVELOPE CONTAINING AN IONIZABLE MEDIUM, A PAIR OF ELECTRODE MEMBERS MOUNTED IN MUTUALLY INSULATED RELATION IN SAID ENVELOPE, SAID ELECTRODE MEMBERS COMPRISING SOLID BLOCKS OF METAL INCLUDING OPPOSED ACTIVE SURFACES DEFINING A DISCHARGE GAP, AND THE ACTIVE SURFACE OF AT LEAST ONE OF SAID MEMBERS COMPRISING A MYRIAD OF INTEGRAL SUBSTANTIALLY UNIFORM AND CLOSELY SPACED PROTRUSIONS EFFECTIVE FOR CAUSING RAPID MOVEMENT OF AN ARC IN SAID GAP OVER SUBSTANTIALLY THE WHOLE AREA OF SAID ACTIVE SURFACE.
Claim 2
Dependent Claim
81 words
A GAP TUBE COMPRISING AN ENVELOPE CONTAINING AN IONIZABLE MEDIUM, A PAIR OF ELECTRODE MEMBERS MOUNTED IN MUTUALLY INSULATED RELATION IN SAID ENVELOPE, SAID ELECTRODE MEMBERS COMPRISING SOLID BLOCKS OF METAL INCLUDING OPPOSED ACTIVE SURFACES DEFINING A DISCHARGE GAP, AND THE ACTIVE SURFACE OF AT LEAST ONE OF SAID MEMBERS COMPRISING A MYRIAD OF INTEGRAL SUBSTANTIALLY UNIFORM AND CLOSELY SPACED PROTRUSIONS EFFECTIVE FOR CAUSING RAPID MOVEMENT OF AN ARC IN SAID GAP OVER SUBSTANTIALLY THE WHOLE AREA OF SAID ACTIVE SURFACE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |