US1723852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grinding machinery
Assignee: Cincinnati Grinders Inc
•
Filing: 1927-08-05
•
Granted: 1929-08-06
•
Expires: 1947-08-05
Abstract
No abstract record available.
Inventors
- 👤 Fred S Haas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:02
CPC Classifications
B; B24; B24B; B24B47/00; B24B47/20; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/304536; Y10T409/304592; Y10T74/00; Y10T74/19; Y10T74/19623
Claims Analysis
Total Claims: 0
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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) | 1932-08-05 | 1933-02-04 | 1933-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-08-05 | 1937-02-04 | 1937-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-08-05 | 1941-02-04 | 1941-08-06 | $7700.00 | Window Closed / Lapsed |