US3148745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Noise attenuation apparatus for liquid conducting conduits
Assignee: Newport News Shipbuilding and Dry Dock Co
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Filing: 1962-05-23
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Granted: 1964-09-15
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Expires: 1982-05-23
Abstract
No abstract record available.
Inventors
- 👤 Bernice L Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:41
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/02; F16L55/033; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3115; Y10T137/3118
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
NOISE ATTENUATION APPARATUS FOR LIQUID CONDUCTING CONDUITS COMPRISING A LIQUID CONDUCTING CONDUIT, ATTENUATION MEANS DISPOSED ADJACENT SAID CONDUIT, MEANS PROVIDING CONTINUOUS COMMUNICATION BETWEEN THE INTERIOR OF SAID CONDUIT AND SAID ATTENUATION MEANS, SAID ATTENUATION MEANS INCLUDING MEANS DEFINING A PLURALITY OF SEPARATE CHAMBERS, COMPRESSIBLE MEANS INCLUDING A QUANTITY OF GAS FILLING A PORTION OF EACH OF SAID CHAMBERS, AND MEANS FOR SELECTIVELY ADJUSTING THE VOLUME OF SAID COMPRESSIBLE MEANS.
Claim 2
Dependent Claim
69 words
NOISE ATTENUATION APPARATUS FOR LIQUID CONDUCTING CONDUITS COMPRISING A LIQUID CONDUCTING CONDUIT, ATTENUATION MEANS DISPOSED ADJACENT SAID CONDUIT, MEANS PROVIDING CONTINUOUS COMMUNICATION BETWEEN THE INTERIOR OF SAID CONDUIT AND SAID ATTENUATION MEANS, SAID ATTENUATION MEANS INCLUDING MEANS DEFINING A PLURALITY OF SEPARATE CHAMBERS, COMPRESSIBLE MEANS INCLUDING A QUANTITY OF GAS FILLING A PORTION OF EACH OF SAID CHAMBERS, AND MEANS FOR SELECTIVELY ADJUSTING THE VOLUME OF SAID COMPRESSIBLE MEANS.
References Cited (Backward Citations)
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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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |