Lubrication system for internal combustion engine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 5, 2019
Grant Date -
Aug 11, 2016
app pub date -
Jan 11, 2016
filing date -
Feb 9, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A lubrication system for an engine is provided which includes an oil tank, a first passage communicating a bottom part of the crankcase chamber with an upper part of the oil tank, a first check valve provided in the first passage to permit a flow from the crankcase chamber to the oil tank but not in a reverse direction, a second passage communicating an upper part of the oil tank with an upper part of the crankcase chamber, a second check valve provided in the second passage to permit a flow from the oil tank to the crankcase chamber but not in a reserve direction and a third passage communicating a lower part of the oil tank with the second passage.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2016 Application Filing Year
- F16N Class
- 115 Applications Filed
- 90 Patents Issued To-Date
- 78.27 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- F16N Class
- 59.30 % this patent is cited more than
- 6 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Sep 5, 2026 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Sep 5, 2030 |
