US3238955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid valve noise suppressor
Assignee: Lockheed Martin Corp
•
Filing: 1962-01-22
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Granted: 1966-03-08
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Expires: 1982-01-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Leslie W Lassiter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:20
CPC Classifications
B; B64; B64D; B64D13/00; B64D13/02; F; F16; F16K; F16K47/00; F16K47/02; Y; Y10; Y10T; Y10T137/00; Y10T137/0318
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
IN COMBINATION: A FLUID GAS VALVE CONTAINED WITHIN A FLUID GAS FLOW DUCT AND HAVING A THROAT OF MINIMUM SECTION; TURBULENCE CREATING MEANS FOR SUPPRESSING VALVE NOISE DISPOSED IMMEDIATELY DOWNSTREAM OF SAID THROAT TO STABILIZED FLUID GAS FLOW AND THEREBY SUPPRESS VALVE NOISE, SAID TURBULENCE CREATING MEANS CONTAINED WITHIN THE CONFINE OF THE DUCT.
Claim 2
Dependent Claim
54 words
IN COMBINATION: A FLUID GAS VALVE CONTAINED WITHIN A FLUID GAS FLOW DUCT AND HAVING A THROAT OF MINIMUM SECTION; TURBULENCE CREATING MEANS FOR SUPPRESSING VALVE NOISE DISPOSED IMMEDIATELY DOWNSTREAM OF SAID THROAT TO STABILIZED FLUID GAS FLOW AND THEREBY SUPPRESS VALVE NOISE, SAID TURBULENCE CREATING MEANS CONTAINED WITHIN THE CONFINE OF THE DUCT.
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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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |