US718681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exhaust mechanism for locomotives.
Assignee: Individual
•
Filing: 1900-07-12
•
Granted: 1903-01-20
•
Expires: 1920-07-12
Abstract
No abstract record available.
Inventors
- 👤 Ira F Wallace
- 👤 William L Kellogg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:32
CPC Classifications
F; F23; F23L; F23L17/00; F23L17/16; B; B05; B05B; B05B1/00; B05B1/14; B05B1/18; B05B1/185
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) | 1906-01-19 | 1906-07-21 | 1907-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-01-19 | 1910-07-21 | 1911-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-01-19 | 1914-07-21 | 1915-01-20 | $7700.00 | Window Closed / Lapsed |