US3671126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Noncontacting optical probe
Assignee: ATI Inc Indiana
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Filing: 1970-02-19
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Granted: 1972-06-20
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Expires: 1990-02-19
Abstract
Abstract A DISTANCE MEASURING DEVICE FOR DERIVING CONTOUR INFORMATION WITHOUT CONTACTING THE SURFACE BEING MEASURED AND WITHOUT THE USE OF INTERNAL MOVING PARTS. THE DEVICE UTILIZES AN OPTICAL SYSTEM AND GEOMETRIC TRIANGULATION TECHNIQUES TO DEVELOP ELECTRICAL OUTPUT SIGNALS WHICH MAY BE USED TO DRIVE READOUT DISPLAYS, NUMERICALLY CONTROLLED MACHINE TOOLS OR THE LIKE.
Inventors
- 👤 Gilbert E Erb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:18
CPC Classifications
G; G01; G01B; G01B11/00; G01B11/24
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) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |