US2425988A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chuck toolholder
Assignee: Individual
•
Filing: 1945-02-14
•
Granted: 1947-08-19
•
Expires: 1965-02-14
Abstract
No abstract record available.
Inventors
- 👤 Ernest J Brisben
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:35
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/026; B23B31/0261; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17957; Y10T279/17965
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US207113A
Cited
US318986A
Cited
US383289A
Cited
US469025A
Cited
US1037796A
Cited
US1775992A
Cited
US1899843A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-18 | 1951-02-17 | 1951-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-18 | 1955-02-17 | 1955-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-18 | 1959-02-17 | 1959-08-19 | $7700.00 | Window Closed / Lapsed |