Patent US1383941A successfully refreshed from Google Patents.
US1383941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work-holder for grinding and the like machines
Assignee: Cooke & Sons Ltd T
•
Filing: 1920-02-27
•
Granted: 1921-07-05
•
Expires: 1940-02-27
Abstract
No abstract record available.
Inventors
- 👤 Harman Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:04
CPC Classifications
B; B24; B24B; B24B11/00; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/50; B23Q1/54; B23Q1/5406; B23Q1/5437; B24B41/00; B24B41/06; Y; Y10; Y10T; Y10T82/00; Y10T82/26
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) | 1924-07-04 | 1925-01-03 | 1925-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-07-04 | 1929-01-03 | 1929-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-07-04 | 1933-01-03 | 1933-07-05 | $7700.00 | Window Closed / Lapsed |