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US2530990A
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US
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Electric discharge device
Assignee: General Electric Co
•
Filing: 1945-04-21
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Granted: 1950-11-21
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Expires: 1965-04-21
Abstract
No abstract record available.
Inventors
- 👤 Leo R Peters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:22
CPC Classifications
H; H01; H01J; H01J61/00; H01J61/02; H01J61/04; Y; Y10; Y10S; Y10S315/00; Y10S315/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1947417A
Cited
US1879470A
Cited
US1971940A
Cited
US2038049A
Cited
US1980534A
Cited
US2386277A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |