Patent US2431594A successfully refreshed from Google Patents.
US2431594A
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Collet chuck holder
Assignee: EMBOSOGRAF Corp OF AMERICA
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Filing: 1945-01-17
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Granted: 1947-11-25
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Expires: 1965-01-17
Abstract
No abstract record available.
Inventors
- 👤 Charles P Wernig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:25
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/02; B23Q3/06; B23Q3/067; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17411; Y10T279/17529; Y10T279/17538; Y10T279/17547; Y10T408/00; Y10T408/55; Y10T408/561; Y10T408/567
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US917152A
Cited
US1017846A
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US1097726A
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US1260130A
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US2308493A
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US2353757A
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US2338060A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-24 | 1951-05-26 | 1951-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-24 | 1955-05-26 | 1955-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-24 | 1959-05-26 | 1959-11-25 | $7700.00 | Window Closed / Lapsed |