Official data from INPI

COMPOSIÇÃO LÍQUIDA E PROCESSO PARA DETECÇÃO DA PRESENÇA DE UM REVESTIMENTO DE CROMATO SOBRE A SUPERFÍCIE DE ALUMÍNIO

Em ExigênciaInvention Patent

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Application data

Number

PI8305908

Type

Invention Patent

Filing

10/26/1983

Publication

06/05/1984

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Progress at the INPI

Filing10/26/83
Publication06/05/84
Abandoned08/12/86
Allowance
Grant
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: 06/23/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Deere & Company

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Inventors

W. K. (pessoa física)

Technical data

IPC Classification

C01G 45/12 G01N 31/22

Priority claims

437.702 · 10/29/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

6.2

06/23/1987

RPI 870

Solicitação de exame técnico

#4.1

08/12/1986

RPI 825

Publicação do pedido de patente

#3.1

06/05/1984

RPI 711

Pedido de patente depositado

#2.1

01/17/1984

RPI 691

Arquivamento - Art. 36 §1° da LPI

#11.2

04/16/1991

RPI 1063

Exigência - art. 36 da LPI

#6.1

07/31/1990

RPI 1026

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