Patent US2669908A successfully refreshed from Google Patents.
US2669908A
Expired / Lapsed
US
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Contour milling machine
Assignee: BRIDGEWATER MACHINE TOOL Co
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Filing: 1951-12-21
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Granted: 1954-02-23
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Expires: 1971-12-21
Abstract
No abstract record available.
Inventors
- 👤 Frank A Buechler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:59
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/18; B23Q35/181; B23Q35/186; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/302968; Y10T409/303024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1842145A
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US1974919A
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US2026487A
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US2387075A
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US2345494A
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US2593363A
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GB650279A
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US2624242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-22 | 1957-08-24 | 1958-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-22 | 1961-08-24 | 1962-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-22 | 1965-08-24 | 1966-02-23 | $7700.00 | Window Closed / Lapsed |