Patent US4303142A successfully refreshed from Google Patents.
Patent US311670A successfully refreshed from Google Patents.
US311670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for feeding flour and other material
Assignee: —
•
Filing: —
•
Granted: 1885-02-03
•
Expires: 1902-02-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:57
CPC Classifications
B; B65; B65D; B65D47/00; B65D47/04; B65D47/20; B65D47/26; B65D47/28; B65D47/283; B65G; B65G65/00; B65G65/30; B65G65/34; B65G65/40; B65G65/44
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) | 1888-02-03 | 1888-08-04 | 1889-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1892-02-03 | 1892-08-04 | 1893-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1896-02-03 | 1896-08-04 | 1897-02-03 | $7700.00 | Window Closed / Lapsed |