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US2644564A
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Assignee: Nachi Machining Technology Co
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Filing: 1951-07-02
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Granted: 1953-07-07
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Expires: 1971-07-02
Abstract
No abstract record available.
Inventors
- 👤 Bassoff Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:07
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/22; B65G47/26; B65G47/261; B65G47/266; B23; B23F; B23F23/00; B23F23/02; B23F23/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |