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Official data from INPI

PROCESSO PARA REDUZIR OS COMPONENTES INDESEJÁVEIS EM UM METAL FUNDIDO E PROCESSO PARA REDUZIR O TEOR DE NITROGÊNIO DE FERRO FUNDIDO E LIGAS DO MESMO

PublicadaInvention Patent

Application data

Number

PI8902051

Type

Invention Patent

Filing

05/02/1989

Publication

12/05/1989

Progress at the INPI

  1. Filing05/02/89
  2. Publication12/05/89
  3. Abandoned09/11/90
  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.

Talk to a specialist

Latest action published by the INPI: 12/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. B. (pessoa física)

CA

W. T. (pessoa física)

CA

Inventors

K. B. (pessoa física)

CA

W. T. (pessoa física)

CA

Technical data

IPC Classification

Priority claims

US

189,022 · 05/02/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/05/1989

RPI 998

Pedido de patente depositado

#2.1

06/13/1989

RPI 973

Arquivamento - Art. 36 §1° da LPI

#11.2

12/26/1995

RPI 1308

Exigência - art. 36 da LPI

#6.1

03/07/1995

RPI 1266

Solicitação de exame técnico

#4.1

09/11/1990

RPI 1032

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