US3147097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine exhaust cleaner and muffler
Assignee: Individual
•
Filing: 1962-04-09
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Granted: 1964-09-01
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Expires: 1982-04-09
Abstract
No abstract record available.
Inventors
- 👤 Aguas Cayetano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:51
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/02; F01N3/021; F01N3/0217; F01N1/00; F01N1/24; F01N3/022; F01N3/0224; F01N3/0226; F01N3/033; F01N3/0335; F01N3/04; F01N2230/00; F01N2230/02; F01N2310/00; F01N2310/14; F01N2330/00; F01N2330/10; F01N2330/101; F01N2330/102; F01N2330/12; F01N2370/00; F01N2370/22; F01N2370/40; F01N2470/00; F01N2470/02; F01N2470/10; F01N2470/18; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10S; Y10S55/00; Y10S55/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
220 words
AN ENGINE EXHAUST FILTER AND MUFFLER CONSISTING OF AN ELONGATED HOUSING, A PIPE EXTENDING INTO THE HOUSING AND SUBSTANTIALLY THE LENGTH OF SAID HOUSING, THE END OF SAID PIPE WITHIN THE HOUSING BEING COMPLETELY SEALED, SAID PIPE HAVING HOLES THROUGHOUT THE LENGTH THEREOF AND ARRANGED WITHIN THE HOUSING, SAID HOUSING HAVING AN OUTLET HOLE THEREIN ARRANGED ADJACENT ONE END THEREOF, A SLEEVE FORMED OF METALLIC WIRE MESH, SAID SLEEVE EXTENDING THE LENGTH OF AND WITHIN SAID HOUSING, SAID SLEEVE SURROUNDING THE PIPE AND SPACED RADIALLY THEREFROM, MEANS SEALING BOTH ENDS OF THE SLEEVE, A FIBERGLAS LINING POSITIONED WITHIN SAID SLEEVE AND EXTENDING THE LENGTH OF SAID SLEEVE WITHIN THE HOUSING, A SECOND SLEEVE EXTENDING THE LENGTH OF AND WITHIN SAID HOUSING AND SAID SLEEVE AND SPACED RADIALLY FROM THE FIRST NAMED SLEEVE AND FROM SAID PIPE, SAID SECOND SLEEVE BEING FORMED OF METAL WIRE MESH, SAID MEANS SEALING THE FIRST NAMED SLEEVE, ALSO SEALING THE ENDS OF THE SECOND SLEEVE, A FIBERGLAS LINING ARRANGED ON THE OUTSIDE OF THE SECOND SLEEVE AND EXTENDING THE LENGTH THEREOF WITHIN THE HOUSING, A FILTERING MEANS ARRANGED BETWEEN SAID SLEEVES AND EXTENDING THE LENGTH OF SAID HOUSING AND WITHIN THE HOUSING, SAID SLEEVE, FIBERGLAS LINING, SECOND SLEEVE AND FILTERING MEANS ALL ARRANGED IN SURROUNDING RELATIONSHIP TO SAID PIPE AND SPACED RADIALLY FROM EACH OTHER.
Claim 2
Dependent Claim
220 words
AN ENGINE EXHAUST FILTER AND MUFFLER CONSISTING OF AN ELONGATED HOUSING, A PIPE EXTENDING INTO THE HOUSING AND SUBSTANTIALLY THE LENGTH OF SAID HOUSING, THE END OF SAID PIPE WITHIN THE HOUSING BEING COMPLETELY SEALED, SAID PIPE HAVING HOLES THROUGHOUT THE LENGTH THEREOF AND ARRANGED WITHIN THE HOUSING, SAID HOUSING HAVING AN OUTLET HOLE THEREIN ARRANGED ADJACENT ONE END THEREOF, A SLEEVE FORMED OF METALLIC WIRE MESH, SAID SLEEVE EXTENDING THE LENGTH OF AND WITHIN SAID HOUSING, SAID SLEEVE SURROUNDING THE PIPE AND SPACED RADIALLY THEREFROM, MEANS SEALING BOTH ENDS OF THE SLEEVE, A FIBERGLAS LINING POSITIONED WITHIN SAID SLEEVE AND EXTENDING THE LENGTH OF SAID SLEEVE WITHIN THE HOUSING, A SECOND SLEEVE EXTENDING THE LENGTH OF AND WITHIN SAID HOUSING AND SAID SLEEVE AND SPACED RADIALLY FROM THE FIRST NAMED SLEEVE AND FROM SAID PIPE, SAID SECOND SLEEVE BEING FORMED OF METAL WIRE MESH, SAID MEANS SEALING THE FIRST NAMED SLEEVE, ALSO SEALING THE ENDS OF THE SECOND SLEEVE, A FIBERGLAS LINING ARRANGED ON THE OUTSIDE OF THE SECOND SLEEVE AND EXTENDING THE LENGTH THEREOF WITHIN THE HOUSING, A FILTERING MEANS ARRANGED BETWEEN SAID SLEEVES AND EXTENDING THE LENGTH OF SAID HOUSING AND WITHIN THE HOUSING, SAID SLEEVE, FIBERGLAS LINING, SECOND SLEEVE AND FILTERING MEANS ALL ARRANGED IN SURROUNDING RELATIONSHIP TO SAID PIPE AND SPACED RADIALLY FROM EACH OTHER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |