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Official data from INPI

VÁLVULA, CONJUNTO PARA EMPREGO EM UM CORPO DE VÁLVULA, APARELHO E PROCESSO PARA REMOVER, DE UMA VÁLVULA, UMA SEDE DE ENCOSTO E DISPOSITIVOS DE ENGAXETAMENTO

ArquivadaInvention Patent
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Application data

Number

PI8201210

Type

Invention Patent

Filing

03/08/1982

Publication

01/18/1983
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Progress at the INPI

  1. Filing03/08/82
  2. Publication01/18/83
  3. Abandoned09/06/83
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Velan INC

CA

Inventors

A. V. (pessoa física)

CA

Technical data

IPC Classification

F16K 41/00

Priority claims

US

253.381 · 04/13/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

11/24/1987

RPI 892

Exigência - art. 36 da LPI

#6.1

06/24/1986

RPI 818

Exigência - art. 36 da LPI

#6.1

06/19/1984

RPI 713

Solicitação de exame técnico

#4.1

09/06/1983

RPI 672

Publicação do pedido de patente

#3.1

01/18/1983

RPI 639

Pedido de patente depositado

#2.1

04/20/1982

RPI 600

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