Patent US3224252A successfully refreshed from Google Patents.
US3224252A
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Leak testing
Assignee: HP Inc
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Filing: 1963-06-17
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Granted: 1965-12-21
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Expires: 1983-06-17
Abstract
No abstract record available.
Inventors
- 👤 Robert H Hamilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:46
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/02; G01M3/26; G01M3/32; G01M3/3236; G01M3/3254; G01M3/04; G01M3/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
APPARTUS FOR LEAK-TESTING A CONTAINER, THE APPARATUS INCLUDING A SOURCE OF TEST FLUID UNDER PRESSURE, A CONDUIT CONNECTING THE SOURCE TO THE COANTAINER, AN ORIFICE PLATE DISPOSED IN THE CONDUIT FOR PARTIALLY RESTRICTING FLOW THROUGH THE CONDUIT TO DEVELOP MECHANICAL VIBRATIONS DUE TO FLUID FLOWING INTO THE CONTAINER IF IT LEAKS, AND A TRANSDUCER DISPOSED TO RECEIVE MECHANICAL VIBRATIONS PRODUCED BY A LEAKY CONTAINER AND CONVERT THEM INTO AN ELECTRICAL SIGNAL.
Claim 2
Dependent Claim
71 words
APPARTUS FOR LEAK-TESTING A CONTAINER, THE APPARATUS INCLUDING A SOURCE OF TEST FLUID UNDER PRESSURE, A CONDUIT CONNECTING THE SOURCE TO THE COANTAINER, AN ORIFICE PLATE DISPOSED IN THE CONDUIT FOR PARTIALLY RESTRICTING FLOW THROUGH THE CONDUIT TO DEVELOP MECHANICAL VIBRATIONS DUE TO FLUID FLOWING INTO THE CONTAINER IF IT LEAKS, AND A TRANSDUCER DISPOSED TO RECEIVE MECHANICAL VIBRATIONS PRODUCED BY A LEAKY CONTAINER AND CONVERT THEM INTO AN ELECTRICAL SIGNAL.
References Cited (Backward Citations)
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Cited
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US2008934A
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US2807012A
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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |