BR9301599A - Improved pumping unit - Google Patents
Improved pumping unitInfo
- Publication number
- BR9301599A BR9301599A BR9301599A BR9301599A BR9301599A BR 9301599 A BR9301599 A BR 9301599A BR 9301599 A BR9301599 A BR 9301599A BR 9301599 A BR9301599 A BR 9301599A BR 9301599 A BR9301599 A BR 9301599A
- Authority
- BR
- Brazil
- Prior art keywords
- pumping unit
- improved pumping
- improved
- unit
- pumping
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR9301599A BR9301599A (en) | 1993-04-20 | 1993-04-20 | Improved pumping unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR9301599A BR9301599A (en) | 1993-04-20 | 1993-04-20 | Improved pumping unit |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9301599A true BR9301599A (en) | 1994-11-08 |
Family
ID=4056321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9301599A BR9301599A (en) | 1993-04-20 | 1993-04-20 | Improved pumping unit |
Country Status (1)
Country | Link |
---|---|
BR (1) | BR9301599A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015014163A1 (en) * | 2013-07-30 | 2015-02-05 | Yang Shunwei | Walking-beam pumping unit with new support |
-
1993
- 1993-04-20 BR BR9301599A patent/BR9301599A/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015014163A1 (en) * | 2013-07-30 | 2015-02-05 | Yang Shunwei | Walking-beam pumping unit with new support |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EE | Request for examination | ||
CKFC | Appeal: appeal against refusal | ||
FF | Decision: granting | ||
FG9A | Patent or certificate of addition granted | ||
B21A | Expiry acc. art. 78, item i of ipl- expiry of the term of protection |
Free format text: PATENTE EXTINTA EM 20/04/2013 |