CN300761170S - 内燃机气门外弹簧 - Google Patents
内燃机气门外弹簧Info
- Publication number
- CN300761170S CN300761170S CN200730034212.2F CN200730034212F CN300761170S CN 300761170 S CN300761170 S CN 300761170S CN 200730034212 F CN200730034212 F CN 200730034212F CN 300761170 S CN300761170 S CN 300761170S
- Authority
- CN
- China
- Prior art keywords
- combustion engine
- internal combustion
- engine valve
- outer spring
- valve outer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN300761170S true CN300761170S (zh) | 2008-04-02 |
Family
ID=
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Changzhou Mingjin Spring Co., Ltd. Assignor: Ma Zemin Contract fulfillment period: 2008.8.10 to 2016.5.17 Contract record no.: 2008320000927 Granted publication date: 20080402 License type: Exclusive license Name of the product(s) which the design is applied: Outer valve spring of internal-combustion engine Record date: 20081014 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080402 Main classification number: 08-08 Termination date: 20150518 |