Patent DE474687C successfully refreshed from Google Patents.
Patent US2125769A successfully refreshed from Google Patents.
US2125769A
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Electric arc lamp
Assignee: General Electric Co
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Filing: 1936-10-17
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Granted: 1938-08-02
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Expires: 1956-10-17
Abstract
No abstract record available.
Inventors
- 👤 Clarence T Crocker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:22
CPC Classifications
H; H05; H05B; H05B31/00; H05B31/0081; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1503; Y10T74/1508; Y10T74/1558; Y10T74/1565; Y10T74/1566; Y10T74/1568; Y10T74/19; Y10T74/19191; Y10T74/19205; Y10T74/19214; Y10T74/19605; Y10T74/21; Y10T74/2101; Y10T74/2102
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) | 1941-08-01 | 1942-01-31 | 1942-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-08-01 | 1946-01-31 | 1946-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-08-01 | 1950-01-31 | 1950-08-02 | $7700.00 | Window Closed / Lapsed |