US2465414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gaseous discharge device
Assignee: Individual
•
Filing: 1946-04-04
•
Granted: 1949-03-29
•
Expires: 1966-04-04
Abstract
No abstract record available.
Inventors
- 👤 Harold W Abshire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:03
CPC Classifications
H; H01; H01J; H01J65/00; H01J65/04; H01J65/042; H01J65/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1758516A
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US1890402A
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US1905043A
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US1836024A
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US1965127A
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DE607131C
Cited
US2004577A
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US2030957A
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DE632921C
Cited
US2268870A
Cited
US2300916A
Cited
US2412826A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-28 | 1952-09-27 | 1953-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-28 | 1956-09-27 | 1957-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-28 | 1960-09-27 | 1961-03-29 | $7700.00 | Window Closed / Lapsed |