US2432058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool
Assignee: Rockwell Manufacturing Co
•
Filing: 1943-07-30
•
Granted: 1947-12-02
•
Expires: 1963-07-30
Abstract
No abstract record available.
Inventors
- 👤 Christy A Wiken
- 👤 Eric A Reibig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:57
CPC Classifications
B; B24; B24B; B24B41/00; B24B41/06; B24B41/066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US439154A
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US467857A
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GB126819A
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US1377884A
Cited
US1414970A
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US1392130A
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US1677889A
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US1889248A
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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) | 1950-12-01 | 1951-06-02 | 1951-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-01 | 1955-06-02 | 1955-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-01 | 1959-06-02 | 1959-12-02 | $7700.00 | Window Closed / Lapsed |