Official data from INPI

PROCESSO PARA ELIMINAR PRODUTOS DE CONDENSACAO DE METAL NAS PAREDES DE UM RECIPIENTE DE FUNDICAO FECHADO

ArquivadaInvention Patent

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Application data

Number

PI8306891

Type

Invention Patent

Filing

12/17/1982

Publication

07/24/1984

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Progress at the INPI

Filing12/17/82
Publication07/24/84
Abandoned11/27/84
Allowance
Grant
In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/03/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

WENTZELL JOSEPH M [US]

Inventors

W. [. (pessoa física)

Technical data

IPC Classification

C22B 9/20

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

05/03/1988

RPI 915

Exigência - art. 36 da LPI

#6.1

06/02/1987

RPI 867

Conhecimento de parecer técnico

#7.1

09/24/1985

RPI 779

Solicitação de exame técnico

#4.1

11/27/1984

RPI 736

Publicação do pedido de patente

#3.1

07/24/1984

RPI 718

Pedido de patente depositado

#2.1

02/21/1984

RPI 696

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