US3142287A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerant moisture-liquid indicator assembly and cap unit therefor
Assignee: Henry Valve Co
•
Filing: 1961-12-22
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Granted: 1964-07-28
•
Expires: 1981-12-22
Abstract
No abstract record available.
Inventors
- 👤 Jones Evan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:44
CPC Classifications
G; G01; G01N; G01N31/00; G01N31/22; G01N31/222
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A MOISTURE INDICATOR CAP UNIT FOR REMOVABLE APPLICATION TO A T SECTION OF A REFRIGERANT FLOW LINE, SAID CAP UNIT COMPRISING A TUBULAR SHELL HAVING RECEIVED THEREIN A WINDOW MEMBER OF A DIAMETER LESS THAN THE INNER DIAMETER OF SAID SHELL, AN ANNULAR PACKING OF GENERALLY L-SHAPED CROSS SECTION IN SAID SHELL AND INCLUDING AN AXIALLY DIRECTED PORTION COMPRESSIBLY FIXED BETWEEN THE PERIPHERY OF SAID WINDOW MEMBER AND SAID SHELL AND RETAINING SAID WINDOW MEMBER IN SAID SHELL, SAID PACKING FURTHER INCLUDING A RADIALLY INWARDLY DIRECTED PORTION OVERLYING THE MARGINAL AREA OF THE INNER FACE OF SAID WINDOW MEMBER AND ARRANGED FOR OUTER RADIAL SURFACE SEALING ENGAGEMENT WITH A T SECTION SURFACE UPON APPLICATION OF SAID CAP UNIT, AND MOISTURE SENSITIVE MEANS RESILIENTLY HELD BETWEEN THE RADIALLY DIRECTED PORTION OF SAID PACKING AND THE MARGINAL AREA OF SAID INNER FACE OF SAID WINDOW MEMBER FOR OBSERVANCE THROUGH SAID WINDOW MEMBER.
Claim 2
Dependent Claim
150 words
A MOISTURE INDICATOR CAP UNIT FOR REMOVABLE APPLICATION TO A T SECTION OF A REFRIGERANT FLOW LINE, SAID CAP UNIT COMPRISING A TUBULAR SHELL HAVING RECEIVED THEREIN A WINDOW MEMBER OF A DIAMETER LESS THAN THE INNER DIAMETER OF SAID SHELL, AN ANNULAR PACKING OF GENERALLY L-SHAPED CROSS SECTION IN SAID SHELL AND INCLUDING AN AXIALLY DIRECTED PORTION COMPRESSIBLY FIXED BETWEEN THE PERIPHERY OF SAID WINDOW MEMBER AND SAID SHELL AND RETAINING SAID WINDOW MEMBER IN SAID SHELL, SAID PACKING FURTHER INCLUDING A RADIALLY INWARDLY DIRECTED PORTION OVERLYING THE MARGINAL AREA OF THE INNER FACE OF SAID WINDOW MEMBER AND ARRANGED FOR OUTER RADIAL SURFACE SEALING ENGAGEMENT WITH A T SECTION SURFACE UPON APPLICATION OF SAID CAP UNIT, AND MOISTURE SENSITIVE MEANS RESILIENTLY HELD BETWEEN THE RADIALLY DIRECTED PORTION OF SAID PACKING AND THE MARGINAL AREA OF SAID INNER FACE OF SAID WINDOW MEMBER FOR OBSERVANCE THROUGH SAID WINDOW MEMBER.
References Cited (Backward Citations)
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Cited
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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) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |