US2697283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for measuring the lead angle of the teeth of screw wheels
Assignee: Maag Zahnrader und Maschinen AG
•
Filing: 1947-05-27
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Granted: 1954-12-21
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Expires: 1967-05-27
Abstract
No abstract record available.
Inventors
- 👤 Leuthold Benedikt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:00
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE346805C
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US1567134A
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US1626029A
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US2295206A
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FR875014A
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CH221968A
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US2367004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |