US3306103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Error compensation for measuring gauges
Assignee: EK Cole Ltd
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Filing: 1964-07-07
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Granted: 1967-02-28
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Expires: 1984-07-07
Abstract
No abstract record available.
Inventors
- 👤 Timothy J A Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:45
CPC Classifications
G; G01; G01N; G01N23/00; G01N23/02; G01N23/06; G01N23/16; G01N27/00; G01N27/02; G01N27/22; G01N27/223
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
APPARATUS FOR MEASURING THE CHARACTERISTIC OF A MATERIAL IN SHEET FORM, WHICH APPARATUS COMPRISES A TRANSDUCER, TRAVERSE MECHANISM FOR EFFECTING THE TRAVERSE OF SAID TRANSDUCER ACROSS THE MATERIAL, AN OUTPUT CIRCUIT FOR THE TRANSDUCER, A VARIABLE IMPEDANCE FOR CONTROLLING THE SIGNAL LEVEL IN THE CIRCUIT, A DEVICE HAVING PREADJUSTABLE MEANS, A MECHANICAL COUPLING BETWEEN THE PREADJUSTABLE MEANS AND SAID IMPEDANCE TO VARY THE VALUE THEREOF, MEANS FOR SETTING SAID PREADJUSTABLE MEANS IN ACCORDANCE WITH MECHANICAL IMPERFECTIONS IN SAID TRAVERSE MECHANISM SUCH AS WOULD AFFECT THE SPATIAL RELATIONSHIP BETWEEN THE TRANSDUCER AND THE MATERIAL TO INTRODUCE INACCURACIES IN THE MEASUREMENT, MEANS FOR DRIVING THE DEVICE IN
Claim 2
Dependent Claim
105 words
APPARATUS FOR MEASURING THE CHARACTERISTIC OF A MATERIAL IN SHEET FORM, WHICH APPARATUS COMPRISES A TRANSDUCER, TRAVERSE MECHANISM FOR EFFECTING THE TRAVERSE OF SAID TRANSDUCER ACROSS THE MATERIAL, AN OUTPUT CIRCUIT FOR THE TRANSDUCER, A VARIABLE IMPEDANCE FOR CONTROLLING THE SIGNAL LEVEL IN THE CIRCUIT, A DEVICE HAVING PREADJUSTABLE MEANS, A MECHANICAL COUPLING BETWEEN THE PREADJUSTABLE MEANS AND SAID IMPEDANCE TO VARY THE VALUE THEREOF, MEANS FOR SETTING SAID PREADJUSTABLE MEANS IN ACCORDANCE WITH MECHANICAL IMPERFECTIONS IN SAID TRAVERSE MECHANISM SUCH AS WOULD AFFECT THE SPATIAL RELATIONSHIP BETWEEN THE TRANSDUCER AND THE MATERIAL TO INTRODUCE INACCURACIES IN THE MEASUREMENT, MEANS FOR DRIVING THE DEVICE IN
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |