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Patent US2619710A successfully refreshed from Google Patents.
US2619710A
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Machine tool for machining articles having holed annular flanges and the like
Assignee: STANFORD ROBERTS Manufacturing Co
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Filing: 1951-02-05
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Granted: 1952-12-02
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Expires: 1971-02-05
Abstract
No abstract record available.
Inventors
- 👤 Ovshinsky Stanford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:37
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/16; B23B31/16233; B23B31/16237; B23B31/16241; B23B7/00; B23B7/12; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5104; Y10T29/5109; Y10T29/5111; Y10T29/5168; Y10T29/5173; Y10T29/5174; Y10T29/518; Y10T408/00; Y10T408/18
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) | 1955-12-02 | 1956-06-02 | 1956-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-02 | 1960-06-02 | 1960-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-02 | 1964-06-02 | 1964-12-02 | $7700.00 | Window Closed / Lapsed |