Patent US2217671A successfully refreshed from Google Patents.
US2217671A
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Milling machine
Assignee: Brown and Sharpe Manufacturing Co
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Filing: 1937-08-18
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Granted: 1940-10-15
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Expires: 1957-08-18
Abstract
No abstract record available.
Inventors
- 👤 Edward E Coffin
- 👤 August L Krause
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:35
CPC Classifications
B; B23; B23Q; B23Q16/00; B23C; B23C9/00; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5104; Y10T29/5105; Y10T409/00; Y10T409/30; Y10T409/304536; Y10T409/304648; Y10T409/30476; Y10T409/304872; Y10T409/304984; Y10T409/305152
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-10-15 | 1944-04-15 | 1944-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-10-15 | 1948-04-15 | 1948-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-10-15 | 1952-04-15 | 1952-10-15 | $7700.00 | Window Closed / Lapsed |