US552803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic electric alarm
Assignee: —
•
Filing: —
•
Granted: 1896-01-07
•
Expires: 1913-01-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:23
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; H01H35/34
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) | 1899-01-06 | 1899-07-08 | 1900-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1903-01-07 | 1903-07-09 | 1904-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1907-01-07 | 1907-07-09 | 1908-01-08 | $7700.00 | Window Closed / Lapsed |