Patent US1419482A successfully refreshed from Google Patents.
US1419482A
Expired / Lapsed
US
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Headlight
Assignee: BERKELEY LIGHT Corp
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Filing: 1920-02-05
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Granted: 1922-06-13
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Expires: 1940-02-05
Abstract
No abstract record available.
Inventors
- 👤 William G Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:07
CPC Classifications
F; F21; F21S; F21S41/00; F21S41/30; F21S41/32; F21S41/321; F21S41/33; F21S41/331; F21S41/332; F21S41/36; F21S41/365; F21S41/10; F21S41/14; F21S41/162
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) | 1925-06-12 | 1925-12-12 | 1926-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-06-12 | 1929-12-12 | 1930-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-06-12 | 1933-12-12 | 1934-06-13 | $7700.00 | Window Closed / Lapsed |