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US156426A
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US
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Improvement in locomotive smoke-stacks
Assignee: —
•
Filing: —
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Granted: 1874-11-03
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Expires: 1891-11-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:42
CPC Classifications
F; F23; F23J; F23J15/00; F23J15/02; F23J15/022; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7898; Y10T137/7903
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) | 1877-11-02 | 1878-05-04 | 1878-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1881-11-02 | 1882-05-04 | 1882-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1885-11-02 | 1886-05-04 | 1886-11-03 | $7700.00 | Window Closed / Lapsed |