US2465837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collet chuck
Assignee: Individual
•
Filing: 1946-01-25
•
Granted: 1949-03-29
•
Expires: 1966-01-25
Abstract
No abstract record available.
Inventors
- 👤 Milton L Benjamin
- 👤 Stanley S Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:23
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/20; B23B31/201; B23B31/2012; B23B31/20125; Y; Y10; Y10S; Y10S279/00; Y10S279/904; Y10T; Y10T279/00; Y10T279/17; Y10T279/17411; Y10T279/17487; Y10T279/17495; Y10T279/17529; Y10T279/17538; Y10T279/17555; Y10T279/35
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-28 | 1952-09-27 | 1953-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-28 | 1956-09-27 | 1957-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-28 | 1960-09-27 | 1961-03-29 | $7700.00 | Window Closed / Lapsed |