Patent US1823989A successfully refreshed from Google Patents.
US1823989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire polishing machine
Assignee: LOVE BROTHERS Inc
•
Filing: 1929-04-12
•
Granted: 1931-09-22
•
Expires: 1949-04-12
Abstract
No abstract record available.
Inventors
- 👤 Arthur K Sanderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:53
CPC Classifications
B; B24; B24B; B24B5/00; B24B5/36; B24B5/38; Y; Y10; Y10S; Y10S118/00; Y10S118/22; Y10T; Y10T29/00; Y10T29/47; Y10T29/476
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) | 1934-09-21 | 1935-03-23 | 1935-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-09-21 | 1939-03-23 | 1939-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-09-21 | 1943-03-23 | 1943-09-22 | $7700.00 | Window Closed / Lapsed |