Patent US2724962A successfully refreshed from Google Patents.
US2724962A
Expired / Lapsed
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Apparatus for measuring the density of a gas
Assignee: Republic Flow Meters Co
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Filing: 1953-08-05
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Granted: 1955-11-29
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Expires: 1973-08-05
Abstract
No abstract record available.
Inventors
- 👤 Jerome B Mcmahon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:25
CPC Classifications
G; G01; G01N; G01N9/00; G01N9/10; G01N9/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
APPARATUS FOR MEASURING THE DENSITY OF A GAS COMPRISING A CHAMBER, MEANS TO CIRCULATE A SAMPLE OF GAS TO BE MEASURED THROUGH THE CHAMBER, A HOLLOW DISPLACER IN THE CHAMBER IN BUOYANT RELATION WITH THE GAS THEREIN ADAPTED TO CONTAIN A STANDARD GAS, A PIVOTED BALANCE BEAM CARRYING THE DISPLACER, MEANS TO SUPPLY THE STANDARD GAS UNDER PRESSURE TO THE DISPLACER, CONTROL MEANS IN THE LAST NAMED MEANS OPERATIVELY CONNECTED TO AND RESPONSIVE TO MOVEMENT OF THE BALANCE BEAM TO CONTROL THE PRESSURE OF THE STANDARD GAS IN THE DISPLACER, AND INDICATING MEANS RESPONSIVE TO THE PRESSURE OF THE STANDARD GAS.
Claim 2
Dependent Claim
101 words
APPARATUS FOR MEASURING THE DENSITY OF A GAS COMPRISING A CHAMBER, MEANS TO CIRCULATE A SAMPLE OF GAS TO BE MEASURED THROUGH THE CHAMBER, A HOLLOW DISPLACER IN THE CHAMBER IN BUOYANT RELATION WITH THE GAS THEREIN ADAPTED TO CONTAIN A STANDARD GAS, A PIVOTED BALANCE BEAM CARRYING THE DISPLACER, MEANS TO SUPPLY THE STANDARD GAS UNDER PRESSURE TO THE DISPLACER, CONTROL MEANS IN THE LAST NAMED MEANS OPERATIVELY CONNECTED TO AND RESPONSIVE TO MOVEMENT OF THE BALANCE BEAM TO CONTROL THE PRESSURE OF THE STANDARD GAS IN THE DISPLACER, AND INDICATING MEANS RESPONSIVE TO THE PRESSURE OF THE STANDARD GAS.
References Cited (Backward Citations)
DE64529C
Cited
US2459542A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-28 | 1959-05-30 | 1959-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-28 | 1963-05-30 | 1963-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-28 | 1967-05-30 | 1967-11-29 | $7700.00 | Window Closed / Lapsed |