US354853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Samuel g
Assignee: —
•
Filing: —
•
Granted: 1886-12-21
•
Expires: 1903-12-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:19
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/46; C02F1/4608; B; B01; B01D; B01D35/00; B01D35/06
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) | 1889-12-20 | 1890-06-21 | 1890-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1893-12-20 | 1894-06-21 | 1894-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1897-12-20 | 1898-06-21 | 1898-12-21 | $7700.00 | Window Closed / Lapsed |