US2076754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gaseous electric discharge lamp device
Assignee: General Electric Co
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Filing: 1934-11-05
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Granted: 1937-04-13
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Expires: 1954-11-05
Abstract
No abstract record available.
Inventors
- 👤 Uyterhoeven Willem
- 👤 Martinus Van Dam
- 👤 Verburg Cornelis
- 👤 Bruijnes Johannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:36
CPC Classifications
H; H01; H01J; H01J61/00; H01J61/02; H01J61/52; H01J61/523
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-04-12 | 1940-10-12 | 1941-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-04-12 | 1944-10-12 | 1945-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-04-12 | 1948-10-12 | 1949-04-13 | $7700.00 | Window Closed / Lapsed |