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Patent US338121A successfully refreshed from Google Patents.
US338121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
William w
Assignee: —
•
Filing: —
•
Granted: 1886-03-16
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Expires: 1903-03-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:06
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/27; B01F27/272; B01F27/2722; A; A21; A21C; A21C1/00; A21C1/06
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) | 1889-03-15 | 1889-09-14 | 1890-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1893-03-15 | 1893-09-14 | 1894-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1897-03-15 | 1897-09-14 | 1898-03-16 | $7700.00 | Window Closed / Lapsed |