Official data from INPI

POLISULFETO DE CALCIO

IndeferidaUtility Model

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Application data

Number

MU6300163

Type

Utility Model

Filing

02/08/1983

Publication

09/11/1984

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Progress at the INPI

Under appeal

Filing02/08/83
Publication09/11/84
Examination05/21/85
Refused11/10/87
Grant
In force

The application was refused by the INPI on 11/10/1987. The invention was never patented.

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Latest action published by the INPI: 11/10/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

JOSE VENSON [BR]

Inventors

V. [. (pessoa física)

Technical data

IPC Classification

C01B 17/42

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

11/10/1987

RPI 890

Retificação

#15.6

03/17/1987

RPI 856

Alteração de numeração

#15.1

11/25/1986

RPI 840

Solicitação de exame técnico

#4.1

05/21/1985

RPI 761

Publicação do pedido de patente

#3.1

09/11/1984

RPI 725

Pedido de patente depositado

#2.1

03/29/1983

RPI 649

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