Patent US3250342A successfully refreshed from Google Patents.
US3250342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Noise-suppressing device for use with gas pressure regulators
Assignee: Individual
•
Filing: 1964-04-13
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Granted: 1966-05-10
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Expires: 1984-04-13
Abstract
No abstract record available.
Inventors
- 👤 Petry Johannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:27
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/02; F; F16; F16L; F16L55/00; F16L55/02; F16L55/033; F16L55/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
203 words
A DEVICE FOR SUPPRESSING NOISE AT THE OUTLET END OF A GAS PRESSURE REGULATOR, AND DEVICE COMPRISING A WALL MEMBER INCLUDING A GAS OUTLET OPENING FOR THE REGULATOR, A CONICAL GAS EXPANSION DUCT DISPOSED COAXIALLY WITH SAID OPENING, THE NARROW END OF THE DUCT FACING SAID OPENING BUT BEING SEPARATED THEREFROM BY A GAP, THE NARROW END OF THE DUCT CONSTITUTING THE GAS INLET END THEREOF, AND THE WIDE END OF THE DUCT THE GAS OUTLET END THEREOF, A TUBULAR JACKET ENCOMPASSING THE DUCT AND BEING SECURED AT ONE END TO SAID WALL MEMBER, THE OTHER JACKET END BEING OPEN, AND A PARTITION WALL AT THE INLET END OF THE DUCT SECURING SAID ONE JACKET END THERETO, THE OUTLET END OF THE DUCT BEING SECURED TO THE JACKET IN SEALING CONNECTION THEREWITH, WHEREBY A FIRST CLOSED MEMBER IS DEFINED BY THE PARTITION WALL AND SAID WALL MEMBER AND A SECOND CLOSED CHAMBER BY THE PARTITION WALL AND THE OUTLET END OF THE DUCT, SAID PARTITION WALL INCLUDING APERTURE BEING CONNECTING THE TWO CHAMBERS, A SECOND APERTURE BEING PROVIDED AT THE OUTLET END OF THE DUCT TO FORM A PASSAGE FOR A BACK FLOW OF GAS FROM SAID OUTLET END INTO THE FIRST CHAMBER
Claim 2
Independent Claim
203 words
A DEVICE FOR SUPPRESSING NOISE AT THE OUTLET END OF A GAS PRESSURE REGULATOR, AND DEVICE COMPRISING A WALL MEMBER INCLUDING A GAS OUTLET OPENING FOR THE REGULATOR, A CONICAL GAS EXPANSION DUCT DISPOSED COAXIALLY WITH SAID OPENING, THE NARROW END OF THE DUCT FACING SAID OPENING BUT BEING SEPARATED THEREFROM BY A GAP, THE NARROW END OF THE DUCT CONSTITUTING THE GAS INLET END THEREOF, AND THE WIDE END OF THE DUCT THE GAS OUTLET END THEREOF, A TUBULAR JACKET ENCOMPASSING THE DUCT AND BEING SECURED AT ONE END TO SAID WALL MEMBER, THE OTHER JACKET END BEING OPEN, AND A PARTITION WALL AT THE INLET END OF THE DUCT SECURING SAID ONE JACKET END THERETO, THE OUTLET END OF THE DUCT BEING SECURED TO THE JACKET IN SEALING CONNECTION THEREWITH, WHEREBY A FIRST CLOSED MEMBER IS DEFINED BY THE PARTITION WALL AND SAID WALL MEMBER AND A SECOND CLOSED CHAMBER BY THE PARTITION WALL AND THE OUTLET END OF THE DUCT, SAID PARTITION WALL INCLUDING APERTURE BEING CONNECTING THE TWO CHAMBERS, A SECOND APERTURE BEING PROVIDED AT THE OUTLET END OF THE DUCT TO FORM A PASSAGE FOR A BACK FLOW OF GAS FROM SAID OUTLET END INTO THE FIRST CHAMBER
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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) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |