US437437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for graining
Assignee: —
•
Filing: —
•
Granted: 1890-09-30
•
Expires: 1907-09-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:33
CPC Classifications
B; B05; B05C; B05C17/00; B05C17/02; B05C17/03; B05C17/035; B05C17/0352; B05C17/0355
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1893-09-29 | 1894-03-31 | 1894-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1897-09-29 | 1898-03-31 | 1898-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1901-09-30 | 1902-04-01 | 1902-10-01 | $7700.00 | Window Closed / Lapsed |