Patent US2568494A successfully refreshed from Google Patents.
US2568494A
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US
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Vehicle head lamp
Assignee: General Electric Co
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Filing: 1949-06-30
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Granted: 1951-09-18
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Expires: 1969-06-30
Abstract
No abstract record available.
Inventors
- 👤 John O Geissbuhler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:56
CPC Classifications
H; H01; H01K; H01K1/00; H01K1/28; H01K1/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1399749A
Cited
US2170682A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-17 | 1955-03-19 | 1955-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-17 | 1959-03-19 | 1959-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-17 | 1963-03-19 | 1963-09-18 | $7700.00 | Window Closed / Lapsed |