US2796161A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulically actuated attachment for power-driven tool chucks
Assignee: Individual
•
Filing: 1955-07-26
•
Granted: 1957-06-18
•
Expires: 1975-07-26
Abstract
No abstract record available.
Inventors
- 👤 Clinton L Graybill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:36
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/0064; Y; Y10; Y10T; Y10T408/00; Y10T408/16; Y10T408/165; Y10T408/18; Y10T408/55; Y10T408/551; Y10T408/65; Y10T408/675; Y10T408/6757; Y10T408/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2235374A
Cited
DE722676C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-17 | 1960-12-17 | 1961-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-17 | 1964-12-17 | 1965-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-17 | 1968-12-17 | 1969-06-18 | $7700.00 | Window Closed / Lapsed |