US443295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grinding-iviill
Assignee: —
•
Filing: —
•
Granted: 1890-12-23
•
Expires: 1907-12-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:04
CPC Classifications
A; A01; A01F; A01F12/00; A01F12/40; B; B02; B02C; B02C7/00; B02C7/18; B02C7/184
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) | 1893-12-22 | 1894-06-23 | 1894-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1897-12-22 | 1898-06-23 | 1898-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1901-12-23 | 1902-06-24 | 1902-12-24 | $7700.00 | Window Closed / Lapsed |