Patent US3226591A successfully refreshed from Google Patents.
US3226591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heavy duty gas tube with a magnetic trigger
Assignee: Aerospace Corp
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Filing: 1962-06-06
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Granted: 1965-12-28
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Expires: 1982-06-06
Abstract
No abstract record available.
Inventors
- 👤 Josephson Vernal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:57
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/02; H01J17/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
50 words
A SPARK GAP SWITCH COMPRISING: A PAIR OF ELECTRICALLY ISOLATED ELECTRODES HAVING OPPOSED SURFACES SUPPORTED IN SPACED APART RELATION; MEANS MAINTAINING A LOW PRESSURE GASEOUS ATMOSPHERE B ETWEEN SAID SURFACES, SAID PRSSURE BEING SUCH THAT THE ATMOSPHERE IS NORMALLY NONCONDUCTIVE IN THE PRESENCE OF A HIGH POTENTIAL ACROSS SAID PAIR;
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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |