US688780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feeding device for mechanical stokers.
Assignee: Individual
•
Filing: 1899-12-27
•
Granted: 1901-12-10
•
Expires: 1919-12-27
Abstract
No abstract record available.
Inventors
- 👤 Thomas Haskard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:33
CPC Classifications
A; A23; A23G; A23G1/00; A23G1/04; A23G1/10; B; B01; B01F; B01F27/00; B01F27/05; B01F27/11; B01F27/112
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) | 1904-12-09 | 1905-06-10 | 1905-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-12-09 | 1909-06-10 | 1909-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-12-09 | 1913-06-10 | 1913-12-10 | $7700.00 | Window Closed / Lapsed |