Official data from INPI

PROCESSO PARA FORMACAO DE UMA CAMA DA DE REVESTIMENTO EM AGREGADOS LEVES, PERMITINDO SUA ADERENCIA AO CIMENTO

IndeferidaInvention Patent

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Application data

Number

PI8106980

Type

Invention Patent

Filing

10/29/1981

Publication

04/20/1982

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Progress at the INPI

Under appeal

Filing10/29/81
Publication04/20/82
Examination06/29/82
Refused04/16/85
Grant
In force

The application was refused by the INPI on 04/16/1985. The invention was never patented.

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Latest action published by the INPI: 04/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. H. (pessoa física)

Inventors

M. H. (pessoa física)

Technical data

IPC Classification

C04B 21/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

04/30/1985

RPI 758

Indeferimento

#9.2

04/16/1985

RPI 756

Solicitação de exame técnico

#4.1

06/29/1982

RPI 610

Publicação antecipada

#3.2

04/20/1982

RPI 600

Pedido de patente depositado

#2.1

12/15/1981

RPI 582

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