BR8903980A - Valvula aperfeicoada reguladora de fluxo - Google Patents

Valvula aperfeicoada reguladora de fluxo

Info

Publication number: BR8903980A
Authority: BR; Brazil
Prior art keywords: perfected; regulating valve; flow regulating; flow; valve
Prior art date: 1989-08-08

Application number

BR8903980A

Other languages

English (en)

Inventor

Luiz Fernando Martins Lastres

Original Assignee

Petroleo Brasileiro Sa

Priority date (The priority date 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 date listed.)

1989-08-08

Filing date

1989-08-08

Publication date

1991-02-13

1989-08-08 Application filed by Petroleo Brasileiro Sa filed Critical Petroleo Brasileiro Sa

1989-08-08 Priority to BR8903980A priority Critical patent/BR8903980A/pt

1991-02-13 Publication of BR8903980A publication Critical patent/BR8903980A/pt

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
BR8903980A BR8903980A (pt)	1989-08-08	1989-08-08	Valvula aperfeicoada reguladora de fluxo

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
BR8903980A BR8903980A (pt)	1989-08-08	1989-08-08	Valvula aperfeicoada reguladora de fluxo

Publications (1)

Publication Number	Publication Date
BR8903980A true BR8903980A (pt)	1991-02-13

Family

ID=4047646

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR8903980A BR8903980A (pt)	1989-08-08	1989-08-08	Valvula aperfeicoada reguladora de fluxo

Country Status (1)

Country	Link
BR (1)	BR8903980A (pt)

1989
- 1989-08-08 BR BR8903980A patent/BR8903980A/pt not_active IP Right Cessation

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Legal Events

Date	Code	Title	Description
2000-02-08	B22L	Others referring to patents and certificate of addition of invention: offer of patent license
2001-01-23	B22L	Others referring to patents and certificate of addition of invention: offer of patent license
2009-12-22	B21A	Extinguishment of a patent or of a certificate of addition of invention: extinguishment - article 78, item i of industrial property law	Free format text: PATENTE EXTINTA EM 08/08/2004