US1565908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Car-lighting system
Assignee: Safety Car Heating and Lighting Co
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Filing: 1921-10-08
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Granted: 1925-12-15
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Expires: 1941-10-08
Abstract
No abstract record available.
Inventors
- 👤 Walter L Conwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:31
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/04; F04B1/0404; F04B1/0408; H; H02; H02K; H02K7/00; H02K7/18; H02K7/1807; H02K7/1846; F04B2203/00; F04B2203/12; F04B2203/1201; F04B2205/00; F04B2205/17; F04B2205/171
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) | 1928-12-14 | 1929-06-15 | 1929-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-12-14 | 1933-06-15 | 1933-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-12-14 | 1937-06-15 | 1937-12-15 | $7700.00 | Window Closed / Lapsed |