Patent US663043A successfully refreshed from Google Patents.
US663043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Return-signal device for call-boxes.
Assignee: Individual
•
Filing: 1900-02-12
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Granted: 1900-12-04
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Expires: 1920-02-12
Abstract
No abstract record available.
Inventors
- 👤 Joseph S Robinson
- 👤 Henry M Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:43
CPC Classifications
G; G08; G08B; G08B25/00; G08B25/01; G08B25/014
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) | 1903-12-04 | 1904-06-04 | 1904-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-12-04 | 1908-06-04 | 1908-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-12-04 | 1912-06-04 | 1912-12-04 | $7700.00 | Window Closed / Lapsed |