Patent US2671337A successfully refreshed from Google Patents.
US2671337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogen analyzer
Assignee: Universal Oil Products Co
•
Filing: 1951-03-31
•
Granted: 1954-03-09
•
Expires: 1971-03-31
Abstract
No abstract record available.
Inventors
- 👤 Herbert A Hulsberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:06
CPC Classifications
G; G01; G01N; G01N7/00; G01N7/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
APPARATUS FOR MEASURING HYDROGEN CONCENTRATION IN A GASEOUS MIXTURE AND HAVING IN COMBINATION, A PRESSURE TIGHT CHAMBER HAVING AN INLET AND OUTLET THERETO FOR ACCOMMODATING SAID GASEOUS MIXTURE, AN EXTENDED COILED LENGTH OF SMALL DIAMETER HYDROGEN PERMEABLE TUBING HAVING A CLOSED END AND AN OPEN END, MEANS HOLDING SAID SMALL DIAMETER TUBING WITHIN SAID HOUSING WHEREBY THE EXTERIOR SURFACE AND CLOSED END OF SAID TUBING IS IN CONTACT WITH SAID GASEOUS MIXTURE FLOWING THROUGH SAID CHAMBER, A PASSAGEWAY THROUGH AND EXTENDING FORM SAID PRESSURE TIGHT CHAMBER CONNECTIVE WITH THE OPEN END OF SAID TUBING, A HYDROGEN OUTLET NOZZLE ON THE EXTERIOR OF SAID CHAMBER COMMUNICATIVE WITH SAID PASSAGEWAY, AND THE OPEN END OF SAID TUBING, WHEREBY SAID NOZZLE MAY CONNECT WITH PRESSURE INDICATING MEANS, A HEAT TRANSMITTING BLOCK SUPPORTING SAID CHAMBER, HEATING MEANS IMBEDDED WITHIN SAID BLOCK AND SEPARATE FORM AND ADJACENT TO SAID CHAMBER, AND A HEAT CONTROL MEANS WITHIN SAID BLOCK ADJACENT SAID HEATING MEANS, WHEREBY TO PROVIDE CONTROLLED HEATING OF SAID CHAMBER FROM SAID HEATING MEANS AND THE HEATING OF SAID HYDROGEN PERMEABLE TUBING WITH SAID CHAMBER.
Claim 2
Dependent Claim
180 words
APPARATUS FOR MEASURING HYDROGEN CONCENTRATION IN A GASEOUS MIXTURE AND HAVING IN COMBINATION, A PRESSURE TIGHT CHAMBER HAVING AN INLET AND OUTLET THERETO FOR ACCOMMODATING SAID GASEOUS MIXTURE, AN EXTENDED COILED LENGTH OF SMALL DIAMETER HYDROGEN PERMEABLE TUBING HAVING A CLOSED END AND AN OPEN END, MEANS HOLDING SAID SMALL DIAMETER TUBING WITHIN SAID HOUSING WHEREBY THE EXTERIOR SURFACE AND CLOSED END OF SAID TUBING IS IN CONTACT WITH SAID GASEOUS MIXTURE FLOWING THROUGH SAID CHAMBER, A PASSAGEWAY THROUGH AND EXTENDING FORM SAID PRESSURE TIGHT CHAMBER CONNECTIVE WITH THE OPEN END OF SAID TUBING, A HYDROGEN OUTLET NOZZLE ON THE EXTERIOR OF SAID CHAMBER COMMUNICATIVE WITH SAID PASSAGEWAY, AND THE OPEN END OF SAID TUBING, WHEREBY SAID NOZZLE MAY CONNECT WITH PRESSURE INDICATING MEANS, A HEAT TRANSMITTING BLOCK SUPPORTING SAID CHAMBER, HEATING MEANS IMBEDDED WITHIN SAID BLOCK AND SEPARATE FORM AND ADJACENT TO SAID CHAMBER, AND A HEAT CONTROL MEANS WITHIN SAID BLOCK ADJACENT SAID HEATING MEANS, WHEREBY TO PROVIDE CONTROLLED HEATING OF SAID CHAMBER FROM SAID HEATING MEANS AND THE HEATING OF SAID HYDROGEN PERMEABLE TUBING WITH SAID CHAMBER.
References Cited (Backward Citations)
US2536610A
Cited
US2456163A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-08 | 1957-09-07 | 1958-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-08 | 1961-09-07 | 1962-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-08 | 1965-09-07 | 1966-03-09 | $7700.00 | Window Closed / Lapsed |