Official data from INPI

MASSA ANTICORROSIVA

Em AnáliseInvention Patent

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Application data

Number

PI8206731

Type

Invention Patent

Filing

11/22/1982

Publication

06/26/1984

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Progress at the INPI

Under appeal

Filing11/22/82
Publication06/26/84
Examination08/12/86
Refused01/09/90
Grant
In force

The application was refused by the INPI on 01/09/1990. The invention was never patented.

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Latest action published by the INPI: 01/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SANTA HELENA IND E COMERCIO LT [BR]

Inventors

M. S. (pessoa física)

Technical data

IPC Classification

C09K 3/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

01/31/1989

RPI 954

Solicitação de exame técnico

#4.1

08/12/1986

RPI 825

Publicação do pedido de patente

#3.1

06/26/1984

RPI 714

Pedido de patente depositado

#2.1

01/11/1983

RPI 638

Indeferimento

#9.2

01/09/1990

RPI 1001

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