US835608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cap for signal-lamps.
Assignee: AT&T Inc
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Filing: 1905-12-18
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Granted: 1906-11-13
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Expires: 1925-12-18
Abstract
No abstract record available.
Inventors
- 👤 Francis L Gilman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:58
CPC Classifications
F; F21; F21S; F21S8/00; F21W; F21W2111/00
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) | 1909-11-12 | 1910-05-14 | 1910-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-11-12 | 1914-05-14 | 1914-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-11-12 | 1918-05-14 | 1918-11-13 | $7700.00 | Window Closed / Lapsed |