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Patent US2515699A successfully refreshed from Google Patents.
US2515699A
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Glow discharge lamp
Assignee: General Electric Co
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Filing: 1946-09-20
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Granted: 1950-07-18
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Expires: 1966-09-20
Abstract
No abstract record available.
Inventors
- 👤 Davidson Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:29
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/38; H01J17/40; H01J61/00; H01J61/64; H01J2893/00; H01J2893/0064; H01J2893/0065; H01J2893/0067; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49925
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1700945A
Cited
US1965586A
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GB431763A
Cited
US2142865A
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US2165135A
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US2392879A
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US2446157A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |