Official data from INPI

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PublicadaInvention Patent

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Application data

Number

PI8805989

Type

Invention Patent

Filing

11/11/1988

Publication

08/08/1989

View on INPI

Progress at the INPI

Filing11/11/88
Publication08/08/89
Examination12/03/91
Allowance
Grant
In force

Published on 08/08/1989, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

Latest action published by the INPI: 08/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Offmar S n c di Matta Emiliano & Matta Luigi

Inventors

L. M. (pessoa física)

Technical data

IPC Classification

F02B 75/24

Priority claims

67963-A/87 · 11/12/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/08/1989

RPI 981

Pedido de patente depositado

#2.1

03/28/1989

RPI 962

Retificação

#15.3

11/14/1995

RPI 1302

15.17

01/05/1993

RPI 1153

15.9

12/03/1991

RPI 1096

Solicitação de exame técnico

#4.1