Patent US5830493A successfully refreshed from Google Patents.
US1101686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Incandescent electric headlight.
Assignee: PYLE-NATIONAL ELECTRIC HEADLIGHT Co
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Filing: 1912-06-12
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Granted: 1914-06-30
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Expires: 1932-06-12
Abstract
No abstract record available.
Inventors
- 👤 Charles W Dake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:26
CPC Classifications
F; F21; F21S; F21S41/00; F21S41/10; F21S41/14; F21S41/162; F21W; F21W2107/00; F21W2107/10; F21Y; F21Y2101/00
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) | 1917-06-29 | 1917-12-29 | 1918-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-06-29 | 1921-12-29 | 1922-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-06-29 | 1925-12-29 | 1926-06-30 | $7700.00 | Window Closed / Lapsed |