Muffler for an exhaust system of an internal combustion engine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 14, 2017
Grant Date -
Mar 31, 2016
app pub date -
Dec 10, 2015
filing date -
Aug 16, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A muffler for an exhaust system of an internal combustion engine comprises: a casing having an inner space, an inlet pipe for sound to enter the muffler, an outlet pipe for sound to exit the muffler, and a separation wall arranged to extend from the inlet pipe to the outlet pipe and being embodied in a manner such as to define first and second acoustical ducts extending through the casing to allow sound propagating along the first acoustical duct to enter the inner space of the casing and to thereafter exit the inner space of the casing again, and to allow sound propagating along the second acoustical duct to acoustically bypass the inner space of the casing.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2015 Application Filing Year
- F01N Class
- 1155 Applications Filed
- 975 Patents Issued To-Date
- 84.42 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 3 Citation Count
- F01N Class
- 13.05 % this patent is cited more than
- 8 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Sep 14, 2028 |
