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Official data from INPI

PACOTE MINISTRADOR DE MATERIAL EM FOLHAS

Em AnáliseInvention Patent

Application data

Number

PI8501473

Type

Invention Patent

Filing

04/02/1984

Publication

11/26/1985

Progress at the INPI

Under appeal
  1. Filing04/02/84
  2. Publication11/26/85
  3. Examination10/20/87
  4. Refused05/08/90
  5. Grant
  6. In force

The application was refused by the INPI on 05/08/1990. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 08/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MINNESOTA MINING & MFG [US]

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Inventors

L. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

08/08/1989

RPI 981

6.2

02/14/1989

RPI 956

Solicitação de exame técnico

#4.1

10/20/1987

RPI 887

Publicação do pedido de patente

#3.1

11/26/1985

RPI 788

Pedido de patente depositado

#2.1

06/18/1985

RPI 765

Indeferimento

#9.2

05/08/1990

RPI 1017

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