US2983833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ignitron temperature responsive arrangement
Assignee: General Electric Co
•
Filing: 1959-02-02
•
Granted: 1961-05-09
•
Expires: 1979-02-02
Abstract
No abstract record available.
Inventors
- 👤 James L Zehner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:40
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/02; H01J17/28; H01J13/00; H01J13/02; H01J13/32; H01J7/00; H01J7/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1900013A
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US1985511A
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US2042183A
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US2192047A
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US2254917A
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US2438004A
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US2822489A
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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) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |