Patent US3105752A successfully refreshed from Google Patents.
US3105752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Muffler
Assignee: A E SLOCUM
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Filing: 1961-10-17
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Granted: 1963-10-01
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Expires: 1981-10-17
Abstract
No abstract record available.
Inventors
- 👤 Carl L Bruce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:58
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/02; F01N3/021; F01N3/0211; F01N1/00; F01N1/24; F01N3/023; F01N3/031; F01N3/033; F01N3/0335; F01N3/08; F01N3/10; F01N3/18; F01N3/20; F01N3/24; F01N3/28; F01N2230/00; F01N2230/02; F01N2230/04; F01N2260/00; F01N2260/04; F01N2330/00; F01N2330/08; F01N2370/00; F01N2370/22; F01N2470/00; F01N2470/02; F01N2470/04; Y; Y10; Y10S; Y10S55/00; Y10S55/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
A MUFFLER CONSTRUCTION COMPRISING A TUBULAR MEMBER HAVING A HEADER AT EACH END, A PLURALITY OF PRFORATED TUBES EXTENDING THROUGH SAID TUBULAR MEMBER AND OPENTUBES EXTENDING THROUGH SAID TUBULAR MEMBER AND OPENING THROUGH ONE OF SAID HEADERS, MEANS CLOSING THE OTHER END OF SAID TUBES, A HEMISPHERICAL CAP SEALED TO EACH HEADER, EACH CAP HAVING A CENTRAL OPENING THEREIN, AN INTERNAL PIPE HAVING APERTURES THEREIN EXTENDING FROM EACH OPENING TO THE ADJACENT HEADER, ONE OF SAID PIPES BEING CONNECTED TO THE EXHAUST PIPE OF A VECHILE, SAID ONE PIPE BEING ADJACENT THE OPENING OF SAID TUBES THROUGH SAID ON HEADER TO PASS EXHAUST GASES FROM THE EXHAUST INTO SAID TUBES AND OUT OF THE PERFORATIONS THEREIN, FILTER MATERIAL SURROUNDING SAID TUBES THROUGH WHICH SAID EXHAUST GASES PASS, THE OTHER OF SAID HEADERS HAVING HOLES THEREIN THROUGH WHICH GASES PASS FROM SAID FILTER MATERIAL THROUGH THE APERTURES IN THE OTHER OF SAID PIPES TO BE EXHAUSTED TO THE ATMOSPHERE, SAID MEANS CLOSING THE OTHER ENDS OF SAID TUBES COMPRISING MOVABLE DAMPERS AND MEANS OPERABLE FROM THE EXTERIOR OF SAID TUBULAR MEMBER FOR CONTROLLING SAID DAMPERS.
Claim 2
Dependent Claim
184 words
A MUFFLER CONSTRUCTION COMPRISING A TUBULAR MEMBER HAVING A HEADER AT EACH END, A PLURALITY OF PRFORATED TUBES EXTENDING THROUGH SAID TUBULAR MEMBER AND OPENTUBES EXTENDING THROUGH SAID TUBULAR MEMBER AND OPENING THROUGH ONE OF SAID HEADERS, MEANS CLOSING THE OTHER END OF SAID TUBES, A HEMISPHERICAL CAP SEALED TO EACH HEADER, EACH CAP HAVING A CENTRAL OPENING THEREIN, AN INTERNAL PIPE HAVING APERTURES THEREIN EXTENDING FROM EACH OPENING TO THE ADJACENT HEADER, ONE OF SAID PIPES BEING CONNECTED TO THE EXHAUST PIPE OF A VECHILE, SAID ONE PIPE BEING ADJACENT THE OPENING OF SAID TUBES THROUGH SAID ON HEADER TO PASS EXHAUST GASES FROM THE EXHAUST INTO SAID TUBES AND OUT OF THE PERFORATIONS THEREIN, FILTER MATERIAL SURROUNDING SAID TUBES THROUGH WHICH SAID EXHAUST GASES PASS, THE OTHER OF SAID HEADERS HAVING HOLES THEREIN THROUGH WHICH GASES PASS FROM SAID FILTER MATERIAL THROUGH THE APERTURES IN THE OTHER OF SAID PIPES TO BE EXHAUSTED TO THE ATMOSPHERE, SAID MEANS CLOSING THE OTHER ENDS OF SAID TUBES COMPRISING MOVABLE DAMPERS AND MEANS OPERABLE FROM THE EXTERIOR OF SAID TUBULAR MEMBER FOR CONTROLLING SAID DAMPERS.
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) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |