US298875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure-feeder for pulp-grinders
Assignee: —
•
Filing: —
•
Granted: 1884-05-20
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Expires: 1901-05-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:04
CPC Classifications
F; F01; F01B; F01B17/00; F01B17/02; F15; F15B; F15B11/00; F15B11/06; F15B11/072; F15B11/0725
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) | 1887-05-20 | 1887-11-19 | 1888-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1891-05-20 | 1891-11-19 | 1892-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1895-05-20 | 1895-11-19 | 1896-05-20 | $7700.00 | Window Closed / Lapsed |