US3104732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acoustically treated gas pipe
Assignee: —
•
Filing: —
•
Granted: 1963-09-24
•
Expires: 1980-09-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:36
CPC Classifications
F; F01; F01N; F01N1/00; F01N1/02; F01N1/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49398; Y10T29/49826; Y10T29/49879
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
IN AN ACOUSTICALLY TREATED GAS PIPE FOR CONVEYING AND ATTENUATING THE NOISE LEVEL OF A MOVING GAS STREAM, AN OUTER PIPE, AN INNER PIPE CARRIED WITHIN SAID OUTER PIPE AND FORMING THE MAIN GAS-FLOW PASSAGE, SAID INNER PIPE HAVING A PLURALITY OF AXIALLY SPACED GROUPS OF OPENINGS FORMED THEREIN, MEANS ON ONE OF SAID PIPES ENGAGING THE OTHER PIPE FOR HOLDING SAID PIPES IN SPACED RELATION TO EACH OTHER, AND A PLURALITY OF POROUS, CORROSIONRESISTANT, FIBROUS LINERS MOUNTED ON SAID INNER PIPE IN
Claim 2
Dependent Claim
83 words
IN AN ACOUSTICALLY TREATED GAS PIPE FOR CONVEYING AND ATTENUATING THE NOISE LEVEL OF A MOVING GAS STREAM, AN OUTER PIPE, AN INNER PIPE CARRIED WITHIN SAID OUTER PIPE AND FORMING THE MAIN GAS-FLOW PASSAGE, SAID INNER PIPE HAVING A PLURALITY OF AXIALLY SPACED GROUPS OF OPENINGS FORMED THEREIN, MEANS ON ONE OF SAID PIPES ENGAGING THE OTHER PIPE FOR HOLDING SAID PIPES IN SPACED RELATION TO EACH OTHER, AND A PLURALITY OF POROUS, CORROSIONRESISTANT, FIBROUS LINERS MOUNTED ON SAID INNER PIPE IN
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |