US3120876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air intake silencer
Assignee: Individual
•
Filing: 1961-05-03
•
Granted: 1964-02-11
•
Expires: 1981-05-03
Abstract
No abstract record available.
Inventors
- 👤 Edward F Lirette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:25
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/66; F04D29/661; F04D29/663; F04D29/664; F02; F02M; F02M35/00; F02M35/12; F02M35/1205; F02M35/1211; F02M35/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A GAS INLET SILENCER COMPRISING AN OUTER SHELL MEMBER, AN INNER CONE MEMBER COAXIALLY MOUNTED WITHIN SAID OUTER SHELL MEMBER AND WITH APEX DIRECTED DOWNSTREAM, GAS PASSAGEWAY BETWEEN THE BASE PERIPHERY OF SAID INNER CONE MEMBER AND SAID OUTER SHELL MEMBER, AN OUTER CONE MEMBER WITH BASE PERIPHERY SMALLER THAN BASE PERIPHERY OF SAID INNER CONE MEMBER, SAID OUTER CONE MEMBER BEING COAXIALLY MOUNTED WITHIN SAID OUTER SHELL MEMBER AND WITH APEX DIRECTED UPSTREAM, ALL INSIDE SURFACES OF SAID OUTER SHELL MEMBER AND DOWNSTREAM SURFACE OF SAID INNER CONE MEMBER BEING LINED WITH A LAYER OF SOUND ABSORBING MATERIAL.
Claim 2
Dependent Claim
99 words
A GAS INLET SILENCER COMPRISING AN OUTER SHELL MEMBER, AN INNER CONE MEMBER COAXIALLY MOUNTED WITHIN SAID OUTER SHELL MEMBER AND WITH APEX DIRECTED DOWNSTREAM, GAS PASSAGEWAY BETWEEN THE BASE PERIPHERY OF SAID INNER CONE MEMBER AND SAID OUTER SHELL MEMBER, AN OUTER CONE MEMBER WITH BASE PERIPHERY SMALLER THAN BASE PERIPHERY OF SAID INNER CONE MEMBER, SAID OUTER CONE MEMBER BEING COAXIALLY MOUNTED WITHIN SAID OUTER SHELL MEMBER AND WITH APEX DIRECTED UPSTREAM, ALL INSIDE SURFACES OF SAID OUTER SHELL MEMBER AND DOWNSTREAM SURFACE OF SAID INNER CONE MEMBER BEING LINED WITH A LAYER OF SOUND ABSORBING MATERIAL.
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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) | 1967-02-10 | 1967-08-12 | 1968-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-10 | 1971-08-12 | 1972-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-10 | 1975-08-12 | 1976-02-11 | $7700.00 | Window Closed / Lapsed |