US2501376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric discharge lamp
Assignee: General Electric Co
•
Filing: 1946-02-25
•
Granted: 1950-03-21
•
Expires: 1966-02-25
Abstract
No abstract record available.
Inventors
- 👤 Breadner Robert Leonard
- 👤 Jenkins Henry Grainger
- 👤 Simms Charles Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:41
CPC Classifications
C; C07; C07D; C07D201/00; C07D201/02; C07D201/12; H; H01; H01J; H01J61/00; H01J61/02; H01J61/30; H01J61/305; H01J61/307; H01J61/92; H01J61/94
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
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US2405518A
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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) | 1953-03-20 | 1953-09-19 | 1954-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-20 | 1957-09-19 | 1958-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-20 | 1961-09-19 | 1962-03-21 | $7700.00 | Window Closed / Lapsed |