US2980513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combustibles-in-air instrument
Assignee: Standard Oil Co
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Filing: 1957-10-28
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Granted: 1961-04-18
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Expires: 1977-10-28
Abstract
No abstract record available.
Inventors
- 👤 Kapff Sixt Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:21
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/28; G01N1/40; G01N1/405; G01N27/00; G01N27/02; G01N27/04; G01N27/14; G01N27/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
AN APPARATUS FOR DETECTING MICRO AMOUNTS OF COMBUSTIBLES IN AIR WHICH COMPRISES ACCUMULATOR CHAMBER MEANS, HYDROCARBON ADSORPTION MEANS IN SAID ACCUMULATOR CHAMBER MEANS, MEANS FOR COOLING SAID ACCUMULATOR CHAMBER MEANS WHILE FLOWING A SAMPLE AIR STREAM CONTAINING MICRO QUANTITIES OF COMBUSTIBLES THROUGH SAID ADSORPTION MEANS, HEATER MEANS FOR SAID ADSORPTION MEANS, TIMING MEANS ADATPED TO TERMINATE THE COOLING OF THE ACCUMULATOR CHAMBER MEANS AND FOR ENERGIZING THE HEATER FOR THE ADSORPTION MEANS, WHEREBY ACCUMULATED COMBUSTIBLES ARE DESORBED FROM SAID ADSORPTION MEANS, COMBUSTIBLES DETECTOR MEANS, CONDUIT MEANS FOR FLOWING THE DESORBED COMBUSTIBLES FROM THE ACCUMULATOR CHAMBER MEANS THROUGH THE COMBUSTIBLES DETECTOR MEANS,
Claim 2
Independent Claim
101 words
AN APPARATUS FOR DETECTING MICRO AMOUNTS OF COMBUSTIBLES IN AIR WHICH COMPRISES ACCUMULATOR CHAMBER MEANS, HYDROCARBON ADSORPTION MEANS IN SAID ACCUMULATOR CHAMBER MEANS, MEANS FOR COOLING SAID ACCUMULATOR CHAMBER MEANS WHILE FLOWING A SAMPLE AIR STREAM CONTAINING MICRO QUANTITIES OF COMBUSTIBLES THROUGH SAID ADSORPTION MEANS, HEATER MEANS FOR SAID ADSORPTION MEANS, TIMING MEANS ADATPED TO TERMINATE THE COOLING OF THE ACCUMULATOR CHAMBER MEANS AND FOR ENERGIZING THE HEATER FOR THE ADSORPTION MEANS, WHEREBY ACCUMULATED COMBUSTIBLES ARE DESORBED FROM SAID ADSORPTION MEANS, COMBUSTIBLES DETECTOR MEANS, CONDUIT MEANS FOR FLOWING THE DESORBED COMBUSTIBLES FROM THE ACCUMULATOR CHAMBER MEANS THROUGH THE COMBUSTIBLES DETECTOR MEANS,
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) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |