US897418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter.
Assignee: JAMES O WILSON
•
Filing: 1907-11-29
•
Granted: 1908-09-01
•
Expires: 1927-11-29
Abstract
No abstract record available.
Inventors
- 👤 Andrew J Sheridan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:47
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/39
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) | 1911-09-01 | 1912-03-02 | 1912-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-09-01 | 1916-03-02 | 1916-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-09-01 | 1920-03-02 | 1920-09-01 | $7700.00 | Window Closed / Lapsed |