Patent US1493426A successfully refreshed from Google Patents.
US1493426A
Expired / Lapsed
US
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Modifying means for headlights
Assignee: J O PHILLIPS
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Filing: 1922-12-21
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Granted: 1924-05-06
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Expires: 1942-12-21
Abstract
No abstract record available.
Inventors
- 👤 Levi M Bowman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:13
CPC Classifications
F; F21; F21V; F21V11/00; F21S; F21S41/00; F21S41/20; F21S41/29; F21S41/295; F21S41/40; F21S41/43; F21S41/47; F21W; F21W2107/00; F21W2107/10
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) | 1927-05-06 | 1927-11-05 | 1928-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-05-06 | 1931-11-05 | 1932-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-05-06 | 1935-11-05 | 1936-05-06 | $7700.00 | Window Closed / Lapsed |