US2317035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric lamp
Assignee: General Electric Co
•
Filing: 1941-03-28
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Granted: 1943-04-20
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Expires: 1961-03-28
Abstract
No abstract record available.
Inventors
- 👤 Dana Junius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:33
CPC Classifications
H; H01; H01K; H01K3/00; H01K3/12; F; F21; F21S; F21S41/00; F21S41/10; F21S41/19; F21S41/198; F21S41/20; F21S41/29; H01J; H01J5/00; H01J5/02; H01J5/12; H01J5/50; H01J5/54; H01J5/58; H01K1/00; H01K1/28; H01K1/34; Y; Y02; Y02B; Y02B20/00
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) | 1946-04-19 | 1946-10-19 | 1947-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-04-19 | 1950-10-19 | 1951-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-04-19 | 1954-10-19 | 1955-04-20 | $7700.00 | Window Closed / Lapsed |