US2880073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas analyzer
Assignee: Phillips Petroleum Co
•
Filing: 1955-04-13
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Granted: 1959-03-31
•
Expires: 1975-04-13
Abstract
No abstract record available.
Inventors
- 👤 Dale E Lupfer
- 👤 Edwin A Houser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:43
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/75; Y; Y10; Y10T; Y10T436/00; Y10T436/11; Y10T436/117497
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
AN ANALYZER REAGENT CIRCULATION SYSTEM COMPRISING A FIRST SAMPLE CELL; A SECOND SAMPLE CELL; A FIRST LIQUID-GAS CONTACTING CHAMBER; A SECOND CHAMBER ADAPTED TO CONTAIN A REGENERATION REAGENT; A CONDUIT EXTENDING UPWARDLY FROM SAID SECOND CHAMBER; MEANS TO CIRCULATE A LIQUID FROM THE OUTLWT OF SAID SECOND CHAMBER THROUGH SAID FIRST CELL, SAID FIRST CHAMBER, AND SAID SECOND CELL TO THE INTERIOR OF SAID CONDUIT AT A VERTICAL HEIGHT WHICH IS THE SAME AS A PREDETERMINED HEIGHT IN THE BODY OF LIQUID IN SAID FIRST CHAMBER, SAID LIQUID FLOWING FROM SAID FIRST CHAMBER TO SAID CONDUIT AND THENCE DOWNWARDLY THROUGH THE REGEN-
Claim 2
Dependent Claim
102 words
AN ANALYZER REAGENT CIRCULATION SYSTEM COMPRISING A FIRST SAMPLE CELL; A SECOND SAMPLE CELL; A FIRST LIQUID-GAS CONTACTING CHAMBER; A SECOND CHAMBER ADAPTED TO CONTAIN A REGENERATION REAGENT; A CONDUIT EXTENDING UPWARDLY FROM SAID SECOND CHAMBER; MEANS TO CIRCULATE A LIQUID FROM THE OUTLWT OF SAID SECOND CHAMBER THROUGH SAID FIRST CELL, SAID FIRST CHAMBER, AND SAID SECOND CELL TO THE INTERIOR OF SAID CONDUIT AT A VERTICAL HEIGHT WHICH IS THE SAME AS A PREDETERMINED HEIGHT IN THE BODY OF LIQUID IN SAID FIRST CHAMBER, SAID LIQUID FLOWING FROM SAID FIRST CHAMBER TO SAID CONDUIT AND THENCE DOWNWARDLY THROUGH THE REGEN-
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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) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |