US1747899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coal pusher for locomotive tenders
Assignee: Standard Stoker Co
•
Filing: 1928-10-03
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Granted: 1930-02-18
•
Expires: 1948-10-03
Abstract
No abstract record available.
Inventors
- 👤 Hogg Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:09
CPC Classifications
B; B61; B61C; B61C17/00; B61C17/02; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/8667
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) | 1933-02-17 | 1933-08-19 | 1934-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-02-17 | 1937-08-19 | 1938-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-02-17 | 1941-08-19 | 1942-02-18 | $7700.00 | Window Closed / Lapsed |