Patent US3208267A successfully refreshed from Google Patents.
US3208267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contaminant measurement
Assignee: Individual
•
Filing: 1962-11-30
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Granted: 1965-09-28
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Expires: 1982-11-30
Abstract
No abstract record available.
Inventors
- 👤 Schatzberg Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:36
CPC Classifications
G; G01; G01N; G01N15/00; G01N15/06; G01N15/0606; G01N15/0618
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A METHOD FOR MEASURING THE AMOUNT OF SOLID CONTAMINANTS IN AN ORGANIC LIQUID, COMPRISING THE STEPS OF: PASSING A SAMPLE OF PREFILTERED ORGANIC LIQUID THROUGH A FILTER; DETERMINING THE AMOUNT OF TIME IT TAKES FOR SAID SAMPLES OF PREFILTERED ORGANIC LIQUID TO PASS THROUGH SAID FILTER; PASSING AN UNFILTERED SAMPLE OF SAID ORGANIC LIQUID THROUGH SAID FILTER; PASSING A SECOND SAMPLE OF SAID PREFILTERED ORGANIC LIQUID OF THE SAME VOLUME AS SAID FIRST SAMPLE THROUGH SAID FILTER; DETERMINING THE AMOUNT OF TIME IT TAKES FOR SAID SECOND SAMPLE OF PREFILTERED ORGANIC LIQUID TO PASS THROUGH SAID FILTER; AND COMPARING THE RATIO OF THE TIME IT TOOK FOR SAID SECOND SAMPLE OF SAID PREFILTERED ORGANIC LIQUID TO PASS THROUGH SAID FILTER TO THE TIME IT TOOK FOR SAID FIRST SAMPLE OF PREFILTERED ORGANIC LIQUID TO PASS THROUGH SAID FILTER TO GIVE AN INDICATION OF THE AMOUNT OF SOLID CONTAMINANTS DEPOSITED ON SAID FILTER FROM SAID UNFILTERED SAMPLE OF SAID ORGANIC LIQUID.
Claim 2
Independent Claim
160 words
A METHOD FOR MEASURING THE AMOUNT OF SOLID CONTAMINANTS IN AN ORGANIC LIQUID, COMPRISING THE STEPS OF: PASSING A SAMPLE OF PREFILTERED ORGANIC LIQUID THROUGH A FILTER; DETERMINING THE AMOUNT OF TIME IT TAKES FOR SAID SAMPLES OF PREFILTERED ORGANIC LIQUID TO PASS THROUGH SAID FILTER; PASSING AN UNFILTERED SAMPLE OF SAID ORGANIC LIQUID THROUGH SAID FILTER; PASSING A SECOND SAMPLE OF SAID PREFILTERED ORGANIC LIQUID OF THE SAME VOLUME AS SAID FIRST SAMPLE THROUGH SAID FILTER; DETERMINING THE AMOUNT OF TIME IT TAKES FOR SAID SECOND SAMPLE OF PREFILTERED ORGANIC LIQUID TO PASS THROUGH SAID FILTER; AND COMPARING THE RATIO OF THE TIME IT TOOK FOR SAID SECOND SAMPLE OF SAID PREFILTERED ORGANIC LIQUID TO PASS THROUGH SAID FILTER TO THE TIME IT TOOK FOR SAID FIRST SAMPLE OF PREFILTERED ORGANIC LIQUID TO PASS THROUGH SAID FILTER TO GIVE AN INDICATION OF THE AMOUNT OF SOLID CONTAMINANTS DEPOSITED ON SAID FILTER FROM SAID UNFILTERED SAMPLE OF SAID ORGANIC LIQUID.
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |