US2624858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gaseous discharge lamp
Assignee: Individual
•
Filing: 1948-11-15
•
Granted: 1953-01-06
•
Expires: 1968-11-15
Abstract
No abstract record available.
Inventors
- 👤 William B Greenlee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:55
CPC Classifications
H; H01; H01J; H01J65/00; H01J65/04; H01J65/042; H01J65/046; G; G09; G09F; G09F13/00; G09F13/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US854104A
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US702319A
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USRE18798E
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US2053879A
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US2038506A
Cited
US1981903A
Cited
US2298961A
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US2365812A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |