US183173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in bristles for shoemakers use
Assignee: —
•
Filing: —
•
Granted: 1876-10-10
•
Expires: 1893-10-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:34
CPC Classifications
D; D05; D05B; D05B85/00
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) | 1879-10-10 | 1880-04-10 | 1880-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1883-10-10 | 1884-04-10 | 1884-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1887-10-10 | 1888-04-10 | 1888-10-10 | $7700.00 | Window Closed / Lapsed |