US2826420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic holding means for chucks and the like
Assignee: Individual
•
Filing: 1954-01-08
•
Granted: 1958-03-11
•
Expires: 1974-01-08
Abstract
No abstract record available.
Inventors
- 👤 Karl A Klingler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:37
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/26; B23Q1/28; B23Q1/287; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/16; B23B31/16287; B23B31/20; B23B31/201; B23B31/204; B23B31/24; B23B31/30; B23B31/305; B25; B25B; B25B1/00; B25B1/06; B25B1/18; B25B5/00; B25B5/06; B25B5/061; B25B5/065; B23B2260/00; B23B2260/088; Y; Y10; Y10S; Y10S117/00; Y10S117/911; Y10T; Y10T24/00; Y10T24/44; Y10T24/44068; Y10T279/00; Y10T279/12; Y10T279/1216; Y10T279/1274; Y10T279/1283
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) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |