Patent US3218841A successfully refreshed from Google Patents.
US3218841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Calibrating equipment for moisture indicator
Assignee: Sunoco Inc
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Filing: 1962-10-10
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Granted: 1965-11-23
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Expires: 1982-10-10
Abstract
No abstract record available.
Inventors
- 👤 Lerner Julius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:34
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/02; G01N27/22; G01N27/223
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
IN THE CALIBRATION OF A STREAM MOISTURE RECORDING INSTRUMENT, THE STEPS OF CONTINUOUSLY FEEDING A SAMPLE STREAM THROUGH SAID INSTRUMENT, EJECTING A WATER-SATURATED LIQUID OF KNOWN WATER CONTENT INTO THE SAMPLE STREAM AHEAD OF SAID INSTRUMENT, MEASURING THE RATE OF INJECTION OF SAID LIQUID, AND MEASURING THE RATE OF LIQUID FLOW THROUGH SAID INSTRUMENT.
Claim 2
Dependent Claim
54 words
IN THE CALIBRATION OF A STREAM MOISTURE RECORDING INSTRUMENT, THE STEPS OF CONTINUOUSLY FEEDING A SAMPLE STREAM THROUGH SAID INSTRUMENT, EJECTING A WATER-SATURATED LIQUID OF KNOWN WATER CONTENT INTO THE SAMPLE STREAM AHEAD OF SAID INSTRUMENT, MEASURING THE RATE OF INJECTION OF SAID LIQUID, AND MEASURING THE RATE OF LIQUID FLOW THROUGH SAID INSTRUMENT.
References Cited (Backward Citations)
US2526636A
Cited
US3028744A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |