Muffler for small engines
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 11, 2024
Grant Date -
Aug 4, 2022
app pub date -
Jun 29, 2020
filing date -
Jun 28, 2019
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A muffler (40) devised particularly for use with an engine of the type used on unmanned aerial vehicles (UAVs), and a UAV (10) having an engine (30) fitted with the muffler (40). The muffler (40) comprises a body (51) having an interior chamber (60). The muffler body (51) has a first end section (53) and a second end section (55). The first end section (51) is adapted for mounting onto the engine (31) by way of a first mount (81), with the interior chamber (60) in communication with an exhaust outlet of the engine (31) to receive exhaust flow therefrom. The second end section (53) is adapted to be mounted by way of a second mount (82) in a manner resisting movement with respect to the engine (31). In one arrangement, the second mount (82) is configured to yieldingly resist movement with respect to the engine (30). In another arrangement, the second mount (82) is configured to mount the second end section (55) under a preload resisting movement of the second end section with respect to the engine (30).
First Claim
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Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Dec 11, 2027 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Dec 11, 2031 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 11, 2035 |
