Official data from INPI

MATERIAL PARA ISOLAMENTO TERMO-ACUSTICO

IndeferidaInvention Patent

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Application data

Number

PI8300932

Type

Invention Patent

Filing

02/25/1983

Publication

06/28/1983

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Progress at the INPI

Under appeal

Filing02/25/83
Publication06/28/83
Examination11/22/83
Refused04/25/89
Grant
In force

The application was refused by the INPI on 04/25/1989. The invention was never patented.

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Latest action published by the INPI: 04/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INTERKELLER DO BRASIL SERVICOS [BR]

Inventors

S. G. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

04/25/1989

RPI 966

Conhecimento de parecer técnico

#7.1

07/05/1988

RPI 924

Exigência - art. 36 da LPI

#6.1

05/13/1986

RPI 812

Conhecimento de parecer técnico

#7.1

07/09/1985

RPI 768

Solicitação de exame técnico

#4.1

11/22/1983

RPI 683

Publicação antecipada

#3.2

06/28/1983

RPI 662

Pedido de patente depositado

#2.1

04/12/1983

RPI 651

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