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Official data from INPI

COMPOSICAO DE ACO PARA DISCOS AGRICOLAS

Em AnáliseInvention Patent
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Application data

Number

PI8404270

Type

Invention Patent

Filing

08/27/1984

Publication

04/01/1986
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Progress at the INPI

  1. Filing08/27/84
  2. Publication04/01/86
  3. Examination12/16/86
  4. Refused01/05/93
  5. Grant
  6. In force

The application was refused on 01/05/1993 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/05/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MARCHESAN IMPLEMENT & MAQUIN [BR]

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Inventors

M. C. (pessoa física)

Technical data

IPC Classification

C22C 38/12

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

05/05/1987

RPI 863

Solicitação de exame técnico

#4.1

12/16/1986

RPI 843

Publicação do pedido de patente

#3.1

04/01/1986

RPI 806

Pedido de patente depositado

#2.1

09/17/1985

RPI 778

111

01/05/1993

RPI 1153

Petição de recurso

#12.2

11/12/1991

RPI 1093

Indeferimento

#9.2

07/30/1991

RPI 1078

Conhecimento de parecer técnico

#7.1

09/18/1990

RPI 1033

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