US3624828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Volume measuring system
Assignee: Simmonds Precision Products Inc
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Filing: 1968-10-17
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Granted: 1971-11-30
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Expires: 1988-10-17
Abstract
No abstract record available.
Inventors
- 👤 Harrison F Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:30
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/22; G01F23/28; G01F23/284; G01F23/288
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
82 words
In a volume measuring system, the combination of a container, a fluid occupying a portion of the interior space in said container, means connected to said container for introducing a known mass of trace gas into the ullage portion of said interior space, anD a plurality of detecting means spaced along the surface of said container and extending into said container for measuring the density of said trace gas for any position of said fluid in the interior space of said container.
Claim 2
Dependent Claim
82 words
In a volume measuring system, the combination of a container, a fluid occupying a portion of the interior space in said container, means connected to said container for introducing a known mass of trace gas into the ullage portion of said interior space, anD a plurality of detecting means spaced along the surface of said container and extending into said container for measuring the density of said trace gas for any position of said fluid in the interior space of said container.
Claim 3
Dependent Claim
30 words
In a system according to claim 1, wherein said container is a spheroid and said plurality of detecting means comprises three detectors equally spaced about the periphery of said container.
Claim 4
Dependent Claim
15 words
In a system according to claim 1, wherein said detecting means are ion current detectors.
Claim 5
Dependent Claim
16 words
In a system according to claim 1, wherein said detector means are magnetic gas analyzer detectors.
References Cited (Backward Citations)
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Cited
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US3170064A
Cited
US3310674A
Cited
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Cited
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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) | 1974-11-29 | 1975-05-31 | 1975-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-29 | 1979-05-31 | 1979-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-29 | 1983-05-31 | 1983-11-30 | $7700.00 | Window Closed / Lapsed |