US572724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe-cleaner
Assignee: —
•
Filing: —
•
Granted: 1896-12-08
•
Expires: 1913-12-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:50
CPC Classifications
B; B01; B01F; B01F25/00; B01F25/30; B01F25/31; B01F25/316; A; A01; A01C; A01C23/00; A01C23/04; A01C23/042; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/4259; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86726
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) | 1899-12-08 | 1900-06-09 | 1900-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1903-12-09 | 1904-06-09 | 1904-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1907-12-09 | 1908-06-09 | 1908-12-09 | $7700.00 | Window Closed / Lapsed |