US679310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal system.
Assignee: General Electric Co
•
Filing: 1899-02-16
•
Granted: 1901-07-30
•
Expires: 1919-02-16
Abstract
No abstract record available.
Inventors
- 👤 John L Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:58
CPC Classifications
G; G08; G08B; G08B5/00; G08B5/22; G08B5/36; H; H01; H01H; H01H13/00; H01H13/70; H01H13/72
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) | 1904-07-29 | 1905-01-28 | 1905-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-07-29 | 1909-01-28 | 1909-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-07-29 | 1913-01-28 | 1913-07-30 | $7700.00 | Window Closed / Lapsed |