US2433076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metalworking machine
Assignee: Individual
•
Filing: 1944-06-09
•
Granted: 1947-12-23
•
Expires: 1964-06-09
Abstract
No abstract record available.
Inventors
- 👤 Weckstein Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:12
CPC Classifications
B; B23; B23Q; B23Q7/00; B23Q7/04; B23Q7/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US218841A
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US445697A
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US469325A
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US579367A
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FR350836A
Cited
US876360A
Cited
US938390A
Cited
US1287669A
Cited
US1704032A
Cited
US1953830A
Cited
US2167308A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-22 | 1951-06-23 | 1951-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-22 | 1955-06-23 | 1955-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-22 | 1959-06-23 | 1959-12-23 | $7700.00 | Window Closed / Lapsed |