Patent US2678487A successfully refreshed from Google Patents.
US2678487A
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Face-milling cutter
Assignee: ONSRUD MACHINE WORKS Inc
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Filing: 1950-09-02
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Granted: 1954-05-18
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Expires: 1970-09-02
Abstract
No abstract record available.
Inventors
- 👤 Rudolph F Onsrud
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:08
CPC Classifications
B; B23; B23C; B23C5/00; B23C5/16; B23C5/20; B23C5/22; B23C5/24; B23C5/2472; B23Q; B23Q11/00; B23Q11/10; B23C2220/00; B23C2220/60; B23C2220/605; B23C2250/00; B23C2250/12; Y; Y10; Y10T; Y10T407/00; Y10T407/14; Y10T407/19; Y10T407/1906; Y10T407/1908; Y10T407/1912; Y10T407/192; Y10T407/1924; Y10T407/195; Y10T407/22; Y10T407/2214; Y10T407/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189401200A
Cited
US1376438A
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US1460030A
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US1945854A
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DE680231C
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US2348089A
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US2430844A
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US2561470A
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US2524232A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-17 | 1957-11-16 | 1958-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-17 | 1961-11-16 | 1962-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-17 | 1965-11-16 | 1966-05-18 | $7700.00 | Window Closed / Lapsed |