Patent US6294908B1 successfully refreshed from Google Patents.
US807513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for filtering liquids.
Assignee: Individual
•
Filing: 1904-02-23
•
Granted: 1905-12-19
•
Expires: 1924-02-23
Abstract
No abstract record available.
Inventors
- 👤 George Stade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:06
CPC Classifications
B; B01; B01D; B01D24/00; B01D24/02; B01D24/10; B01D24/12; B01D24/007; B01D24/04; B01D24/06; B01D2201/00; B01D2201/20; B01D2201/204; B01D2201/206
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) | 1908-12-18 | 1909-06-19 | 1909-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-12-18 | 1913-06-19 | 1913-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-12-18 | 1917-06-19 | 1917-12-19 | $7700.00 | Window Closed / Lapsed |