US3348629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resonator silencer
Assignee: Motors Liquidation Co
•
Filing: 1965-10-07
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Granted: 1967-10-24
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Expires: 1985-10-07
Abstract
No abstract record available.
Inventors
- 👤 Thomas R Cassel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:16
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/02; F01N1/00; F01N1/02; F01N13/08; F01N13/082; F01N2490/00; F01N2490/15; F01N2490/155
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A RESONATOR SILENCER FOR ATTENUATING OBJECTIONABLE SOUND WAVES COMPRISING, A FIRST CONDUIT WITHIN WHICH SOUND WAVES ARE ESTABLISHED AND HAVING AN END PORTION, A SECOND CONDUIT HAVING AN END PORTION THEREOF IN SMALLER SIZE THAN SAID FIRST CONDUIT END PORTION AND TELESCOPICALLY RECEIVED THEREWITHIN, THE SPACE BETWEEN SAID END PORTIONS FORMING THE TUNING NECK OF SAID RESONATOR SILENCER, SAID FIRST AND SECOND CONDUITS BEING COAXIALLY ARRANGED TO PROVIDE A CONTINUOUS AND UNRESTRICTED PASSAGE THERETHROUGH, AND A RESONATOR SHELL ENCIRCLING POR-
Claim 2
Dependent Claim
80 words
A RESONATOR SILENCER FOR ATTENUATING OBJECTIONABLE SOUND WAVES COMPRISING, A FIRST CONDUIT WITHIN WHICH SOUND WAVES ARE ESTABLISHED AND HAVING AN END PORTION, A SECOND CONDUIT HAVING AN END PORTION THEREOF IN SMALLER SIZE THAN SAID FIRST CONDUIT END PORTION AND TELESCOPICALLY RECEIVED THEREWITHIN, THE SPACE BETWEEN SAID END PORTIONS FORMING THE TUNING NECK OF SAID RESONATOR SILENCER, SAID FIRST AND SECOND CONDUITS BEING COAXIALLY ARRANGED TO PROVIDE A CONTINUOUS AND UNRESTRICTED PASSAGE THERETHROUGH, AND A RESONATOR SHELL ENCIRCLING POR-
References Cited (Backward Citations)
US2403699A
Cited
US2930440A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |