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US1037290A
Expired / Lapsed
US
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Vacuum-tube lighting.
Assignee: General Electric Co
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Filing: 1906-04-07
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Granted: 1912-09-03
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Expires: 1926-04-07
Abstract
No abstract record available.
Inventors
- 👤 Daniel Mcfarlan Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:46
CPC Classifications
H; H05; H05B; H05B41/00; H05B41/14; H05B41/16; H05B41/20; H05B41/23; H05B41/232; H05B41/2325
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) | 1915-09-03 | 1916-03-04 | 1916-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-09-03 | 1920-03-04 | 1920-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-09-03 | 1924-03-04 | 1924-09-03 | $7700.00 | Window Closed / Lapsed |