US2443205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gaseous discharge device
Assignee: Raytheon Co
•
Filing: 1945-05-03
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Granted: 1948-06-15
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Expires: 1965-05-03
Abstract
No abstract record available.
Inventors
- 👤 Paul W Stutsman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:33
CPC Classifications
H; H01; H01J; H01J3/00; H01J3/02; H01J3/025; H01J17/00; H01J17/02; H01J17/04; H01J17/06; H01J17/066; H01J2893/00; H01J2893/0061; H01J2893/0064; H01J2893/0065; H01J2893/0066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1145735A
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US1629009A
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GB413302A
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US2051609A
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US2106847A
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US2097157A
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US2229138A
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US2243121A
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US2238595A
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US2275023A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-15 | 1951-12-15 | 1952-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-15 | 1955-12-15 | 1956-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-15 | 1959-12-15 | 1960-06-15 | $7700.00 | Window Closed / Lapsed |