US2667356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic chuck
Assignee: CONS MACHINE TOOL CORP
•
Filing: 1952-03-29
•
Granted: 1954-01-26
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Expires: 1972-03-29
Abstract
No abstract record available.
Inventors
- 👤 Worthy J F Foward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:28
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/1261; B23B31/1276; Y; Y10; Y10T; Y10T279/00; Y10T279/12; Y10T279/1274; Y10T279/17; Y10T279/17128; Y10T279/17171; Y10T279/17179; Y10T279/17213; Y10T279/18; Y10T279/19; Y10T279/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2158058A
Cited
US1522115A
Cited
US2188095A
Cited
US2323091A
Cited
US2479560A
Cited
US2578245A
Cited
US2587893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |