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Official data from INPI

APERFEIÇOAMENTO DE ESTEIRA PARA EMBALAGEM DE FOLHAS DE FLANDRES NA SAÍDA DO EMPILHADOR

Prazo de SigiloInvention Patent

Application data

Number

PI8807011

Type

Invention Patent

Filing

12/30/1988

Publication

08/07/1990

Progress at the INPI

  1. Filing12/30/88
  2. Publication08/07/90
  3. Abandoned11/27/90
  4. Allowance
  5. Grant
  6. In force

The applicant withdrew the application. The case ended without a patent.

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Latest action published by the INPI: 04/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Siderúrgica Nacional - CSN

RJ, BR

See this company's full portfolio

Inventors

F. F. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

04/25/1989

RPI 966

10.1

06/27/1995

RPI 1282

Indeferimento (variante)

#9.2.3

05/30/1995

RPI 1278

Indeferimento

#9.2

03/07/1995

RPI 1266

Solicitação de exame técnico

#4.1

11/27/1990

RPI 1043

Publicação do pedido de patente

#3.1

08/07/1990

RPI 1027

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