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US2535246A
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Chuck assembly
Assignee: Novi Equipment Co
•
Filing: 1947-02-10
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Granted: 1950-12-26
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Expires: 1967-02-10
Abstract
No abstract record available.
Inventors
- 👤 Lewis W Welch
- 👤 Alfred F Millington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:55
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/18; B23B31/185; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1037; Y10T279/1041; Y10T279/1083; Y10T279/1095; Y10T279/26; Y10T279/33; Y10T82/00; Y10T82/25; Y10T82/2568; Y10T82/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1947957A
Cited
US2050828A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-25 | 1954-06-26 | 1954-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-25 | 1958-06-26 | 1958-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-25 | 1962-06-26 | 1962-12-26 | $7700.00 | Window Closed / Lapsed |