Patent US298172A successfully refreshed from Google Patents.
US298172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
False bottom foe mash tubs
Assignee: —
•
Filing: —
•
Granted: 1884-05-06
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Expires: 1901-05-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:09
CPC Classifications
C; C12; C12M; C12M29/00; C12M29/04; B; B01; B01D; B01D2201/00; B01D2201/18; B01D2201/184
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) | 1887-05-06 | 1887-11-05 | 1888-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1891-05-06 | 1891-11-05 | 1892-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1895-05-06 | 1895-11-05 | 1896-05-06 | $7700.00 | Window Closed / Lapsed |