Patent US2486977A successfully refreshed from Google Patents.
US2486977A
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US
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Machine tool
Assignee: National Automatic Tool Co Inc
•
Filing: 1946-01-30
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Granted: 1949-11-01
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Expires: 1966-01-30
Abstract
No abstract record available.
Inventors
- 👤 Charles R Peters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:41
CPC Classifications
B; B23; B23B; B23B5/00; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5104; Y10T29/5109; Y10T29/5113; Y10T82/00; Y10T82/25; Y10T82/2529; Y10T82/2552; Y10T82/2554; Y10T82/2556
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1100747A
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DE331461C
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US1567705A
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US1594903A
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US1994879A
Cited
US2116794A
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US2405485A
Cited
US2392074A
Cited
US2410355A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-31 | 1953-05-02 | 1953-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-31 | 1957-05-02 | 1957-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-31 | 1961-05-02 | 1961-11-01 | $7700.00 | Window Closed / Lapsed |