Patent US2228647A successfully refreshed from Google Patents.
Patent US2399808A successfully refreshed from Google Patents.
US2399808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic aligning and locking toolholder
Assignee: Individual
•
Filing: 1943-08-19
•
Granted: 1946-05-07
•
Expires: 1963-08-19
Abstract
No abstract record available.
Inventors
- 👤 Thomas R Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:08
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/026; B23B31/0261; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17017; Y10T408/00; Y10T408/70; Y10T408/86; Y10T408/885; Y10T408/888; Y10T82/00; Y10T82/25; Y10T82/2585
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) | 1949-05-06 | 1949-11-05 | 1950-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-05-06 | 1953-11-05 | 1954-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-05-06 | 1957-11-05 | 1958-05-07 | $7700.00 | Window Closed / Lapsed |