US2932741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of tracing fluid streams
Assignee: Texaco Inc
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Filing: 1957-02-28
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Granted: 1960-04-12
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Expires: 1977-02-28
Abstract
No abstract record available.
Inventors
- 👤 Alexander S Mckay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:58
CPC Classifications
E; E21; E21B; E21B47/00; E21B47/10; E21B47/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A METHOD OF IDENTIFYING A PLURALITY OF FLOWING FLUID STREAMS WHEREIN A TRACER IS INTRODUCED INTO ONE OF SAID STREAMS FOR A PERIOD OF TIME A AND SAID TRACER IS INTRODUCED INTO ANOTHER OF SAID STREAMS FOR A PERIOD OF TIME B, SAID TIME PERIODS A AND B BEING DIFFERENT, DETECTING THE PRESENCE OF SAID TRACER IN SAID FLOWING STREAMS AT SOME LOCATION DOWNSTREAM THEREOF, DETERMINING THE PERIODS OF TIME SAID TRACER APPEARS AT SAID LOCATION IN SAID FLOWING STREAMS AND CORRELATING THE PERIOD OF TIME SAID TRACER APPEARS IN SAID STREAMS WITH THE AFORESAID PERIOD OF TIME TO IDENTIFY SAID STREAMS.
Claim 2
Independent Claim
102 words
A METHOD OF IDENTIFYING A PLURALITY OF FLOWING FLUID STREAMS WHEREIN A TRACER IS INTRODUCED INTO ONE OF SAID STREAMS FOR A PERIOD OF TIME A AND SAID TRACER IS INTRODUCED INTO ANOTHER OF SAID STREAMS FOR A PERIOD OF TIME B, SAID TIME PERIODS A AND B BEING DIFFERENT, DETECTING THE PRESENCE OF SAID TRACER IN SAID FLOWING STREAMS AT SOME LOCATION DOWNSTREAM THEREOF, DETERMINING THE PERIODS OF TIME SAID TRACER APPEARS AT SAID LOCATION IN SAID FLOWING STREAMS AND CORRELATING THE PERIOD OF TIME SAID TRACER APPEARS IN SAID STREAMS WITH THE AFORESAID PERIOD OF TIME TO IDENTIFY SAID STREAMS.
References Cited (Backward Citations)
US2429577A
Cited
US2769913A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |