Patent US2507725A successfully refreshed from Google Patents.
US2507725A
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US
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Gear cutting machine
Assignee: Maag Zahnrader und Maschinen AG
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Filing: 1948-08-03
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Granted: 1950-05-16
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Expires: 1968-08-03
Abstract
No abstract record available.
Inventors
- 👤 Leuthold Benedikt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:49
CPC Classifications
B; B23; B23F; B23F5/00; B23F5/12; B23F5/14; Y; Y10; Y10T; Y10T409/00; Y10T409/10; Y10T409/101431; Y10T409/106519; Y10T409/107155; Y10T409/107314
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) | 1953-05-15 | 1953-11-14 | 1954-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-15 | 1957-11-14 | 1958-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-15 | 1961-11-14 | 1962-05-16 | $7700.00 | Window Closed / Lapsed |