US2416774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chuck and means for attaching tools thereto
Assignee: Individual
•
Filing: 1944-06-07
•
Granted: 1947-03-04
•
Expires: 1964-06-07
Abstract
No abstract record available.
Inventors
- 👤 Rosenblatt David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:36
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/24; B23B29/248; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/16; B23B31/1627; B23B31/16275; B23B2260/00; B23B2260/088; Y; Y10; Y10T; Y10T279/00; Y10T279/19; Y10T279/1986; Y10T407/00; Y10T407/19; Y10T407/1906; Y10T407/1928; Y10T407/193; Y10T407/1934; Y10T407/1942; Y10T407/1952; Y10T407/1962; Y10T407/22; Y10T407/2214; Y10T407/2218; Y10T407/2222; Y10T407/2224; Y10T407/2226; Y10T407/2228; Y10T82/00; Y10T82/25; Y10T82/2585
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-03 | 1950-09-02 | 1951-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-03 | 1954-09-02 | 1955-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-03 | 1958-09-02 | 1959-03-04 | $7700.00 | Window Closed / Lapsed |