Patent US3041591A successfully refreshed from Google Patents.
US3041591A
Expired / Lapsed
US
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Contaminant gas detector
Assignee: NL Industries Inc
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Filing: 1960-03-11
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Granted: 1962-06-26
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Expires: 1980-03-11
Abstract
No abstract record available.
Inventors
- 👤 Pernell J Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:22
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/0004; G01N33/0009; G01N33/0026; G01N27/00; G01N27/02; G01N27/04; G01N27/14; G01N27/16; G01N27/18; G01N27/185; G08; G08B; G08B17/00; G08B17/10; G08B17/117
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
DETECTING APPARATUS FOR CONTAMINANT FLUIDS COMPRISING A CONTAMINANT FLUID SENSING DEVICE HAVING A MEASURING INDICATOR, MEANS FOR MOUNTING SAID DEVICE SPACED FROM THE ZONE TO BE MONITORED, A TEST PORT COMMUNICATING WITH A SECOND ZONE OF KNOWN FLUID CHARACTERISTICS, PUMP MEANS, CONDUIT MEANS CONNECTING SAID PUMP MEANS TO SAID SENSING DEVICE AND TO THE ZONE TO BE MONITORED FOR EXPOSING SAID DEVICE TO SAMPLE FLUIDS FROM SAID LAST MENTIONED ZONE, AND OTHER CONDUIT MEANS CONNECTING SAID DEVICE TO SAID PORT FOR EXPOSING SAID DEVICE TO FLUIDS IN SAID SECOND ZONE FOR CHECKING SAID DEVICE AND INDICATOR.
Claim 2
Dependent Claim
96 words
DETECTING APPARATUS FOR CONTAMINANT FLUIDS COMPRISING A CONTAMINANT FLUID SENSING DEVICE HAVING A MEASURING INDICATOR, MEANS FOR MOUNTING SAID DEVICE SPACED FROM THE ZONE TO BE MONITORED, A TEST PORT COMMUNICATING WITH A SECOND ZONE OF KNOWN FLUID CHARACTERISTICS, PUMP MEANS, CONDUIT MEANS CONNECTING SAID PUMP MEANS TO SAID SENSING DEVICE AND TO THE ZONE TO BE MONITORED FOR EXPOSING SAID DEVICE TO SAMPLE FLUIDS FROM SAID LAST MENTIONED ZONE, AND OTHER CONDUIT MEANS CONNECTING SAID DEVICE TO SAID PORT FOR EXPOSING SAID DEVICE TO FLUIDS IN SAID SECOND ZONE FOR CHECKING SAID DEVICE AND INDICATOR.
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) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |