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US283152A
Expired / Lapsed
US
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Electric-circuit track-instrument
Assignee: —
•
Filing: —
•
Granted: 1883-08-14
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Expires: 1900-08-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:27
CPC Classifications
B; B61; B61L; B61L1/00; B61L1/02; B61L1/04
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) | 1886-08-13 | 1887-02-12 | 1887-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1890-08-13 | 1891-02-12 | 1891-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1894-08-13 | 1895-02-12 | 1895-08-14 | $7700.00 | Window Closed / Lapsed |