Patent US2428508A successfully refreshed from Google Patents.
US2428508A
Expired / Lapsed
US
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Toolholder appliance for lathes
Assignee: Individual
•
Filing: 1945-05-23
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Granted: 1947-10-07
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Expires: 1965-05-23
Abstract
No abstract record available.
Inventors
- 👤 Weigle Jacques Edouard
- 👤 Minder Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:17
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/24; B23B29/244; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17008; Y10T82/00; Y10T82/25; Y10T82/2585; Y10T82/2587
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2366079A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-06 | 1951-04-07 | 1951-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-06 | 1955-04-07 | 1955-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-06 | 1959-04-07 | 1959-10-07 | $7700.00 | Window Closed / Lapsed |