US2494166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floating chuck
Assignee: Devlieg Bullard Inc
•
Filing: 1945-08-03
•
Granted: 1950-01-10
•
Expires: 1965-08-03
Abstract
No abstract record available.
Inventors
- 👤 Alfred E Drissner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:03
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/18; B23B2231/00; B23B2231/22; Y; Y10; Y10T; Y10T279/00; Y10T279/18; Y10T279/19; Y10T279/1973; Y10T279/25
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) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |