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Official data from INPI

PURGADOR DE DIAFRAGMA

PublicadaInvention Patent

Application data

Number

PI8801042

Type

Invention Patent

Filing

03/10/1988

Publication

10/03/1989

Progress at the INPI

  1. Filing03/10/88
  2. Publication10/03/89
  3. Abandoned10/22/91
  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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mendes Júnior Siderurgia S.A

MG, BR

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Inventors

E. A. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/03/1989

RPI 989

Pedido de patente depositado

#2.1

07/19/1988

RPI 926

Arquivamento - Art. 36 §1° da LPI

#11.2

12/12/1995

RPI 1306

Republicação - classificação IPC

#15.11

05/02/1995

RPI 1274

Exigência - art. 36 da LPI

#6.1

03/01/1995

RPI 1265

14.4

08/02/1994

RPI 1235

15.5

05/24/1994

RPI 1225

Solicitação de exame técnico

#4.1

10/22/1991

RPI 1090

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