Patent US3450456A successfully refreshed from Google Patents.
US3450456A
Expired / Lapsed
US
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Means for positioning workpiece and tool with double-image microscope
Assignee: Agie Charmilles SA
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Filing: 1965-07-12
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Granted: 1969-06-17
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Expires: 1985-07-12
Abstract
No abstract record available.
Inventors
- 👤 Werner Ullmann
- 👤 Ferdy Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:26
CPC Classifications
G; G02; G02B; G02B21/00; G02B21/0004; G02B21/0016
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US327320A
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US2247113A
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US2427256A
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US2352644A
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US2492798A
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US2452373A
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US3156825A
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US2747284A
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CH384243A
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US3202052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |