US14139A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method oe ventilating railroad-cabs
Assignee: —
•
Filing: —
•
Granted: 1856-01-22
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Expires: 1873-01-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:46
CPC Classifications
B; B60; B60H; B60H3/00; B60H3/06
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) | 1859-01-21 | 1859-07-23 | 1860-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1863-01-21 | 1863-07-23 | 1864-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1867-01-21 | 1867-07-23 | 1868-01-22 | $7700.00 | Window Closed / Lapsed |