US3200387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas contaminant sensing device
Assignee: Selas Corp of America
•
Filing: 1961-08-11
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Granted: 1965-08-10
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Expires: 1981-08-11
Abstract
No abstract record available.
Inventors
- 👤 Robert A Loscher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:23
CPC Classifications
G; G01; G01N; G01N30/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
APPARATUS FOR SEPARATING A CONTAMINANT FROM A GAS WHICH COMPRISES A CANNISTER HAVING ENDS AND CONTAINING A BODY OF ADSORBENT OF A PREDETERMINED DEPTH FROM A FIRST END, THE ADSORBENT BEING ADAPTED TO ADSORB THE CONTAMINANT FROM THE GAS, MEANS TO DIRECT GAS TO BE CLEANED THROUGH THE CANNISTER FROM SAID FIST TO A SECOND END, A DETECTING UNIT EXTENDING INTO SAID CANNISTER FROM SAID SECOND END A PORTION OF SAID PREDETERMINED DEPTH, MEANS FORMING A PATH FOR GAS THROUGH SAID UNIT, MEANS LOCATED IN SAID UNIT RESPONSIVE TO THE PRESENCE OF CONTAMINANT IN SAID GAS, AN INDICATOR, AND CONTROL MEANS OPERATED BY SAID RESPONSIVE MEANS FOR CONTROLLING SAID INDICATOR MEANS.
Claim 2
Dependent Claim
111 words
APPARATUS FOR SEPARATING A CONTAMINANT FROM A GAS WHICH COMPRISES A CANNISTER HAVING ENDS AND CONTAINING A BODY OF ADSORBENT OF A PREDETERMINED DEPTH FROM A FIRST END, THE ADSORBENT BEING ADAPTED TO ADSORB THE CONTAMINANT FROM THE GAS, MEANS TO DIRECT GAS TO BE CLEANED THROUGH THE CANNISTER FROM SAID FIST TO A SECOND END, A DETECTING UNIT EXTENDING INTO SAID CANNISTER FROM SAID SECOND END A PORTION OF SAID PREDETERMINED DEPTH, MEANS FORMING A PATH FOR GAS THROUGH SAID UNIT, MEANS LOCATED IN SAID UNIT RESPONSIVE TO THE PRESENCE OF CONTAMINANT IN SAID GAS, AN INDICATOR, AND CONTROL MEANS OPERATED BY SAID RESPONSIVE MEANS FOR CONTROLLING SAID INDICATOR MEANS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |