Official data from INPI

PROCESSO PARA FABRICAÇÃO DE UM ELASTÔMERO TERMOPLÁSTICO ESPUMADO

ArquivadaInvention Patent

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Application data

Number

PI9002771

Type

Invention Patent

Filing

06/12/1990

Publication

08/20/1991

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Progress at the INPI

Filing06/12/90
Publication08/20/91
Abandoned11/26/91
Allowance
Grant
In force

The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/11/1997. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Astro-Valcour, Inc

E.I. Du Pont de Nemours and Company

Inventors

T. P. (pessoa física)

T. W. (pessoa física)

Technical data

IPC Classification

C08J 9/06

Priority claims

366.555 · 06/15/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

11.31

11/11/1997

RPI 1406

Exigência - art. 36 da LPI

#6.1

09/24/1996

RPI 1347

Solicitação de exame técnico

#4.1

11/26/1991

RPI 1095

Publicação do pedido de patente

#3.1

08/20/1991

RPI 1081

Pedido de patente depositado

#2.1

10/23/1990

RPI 1038

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SOLA INTERNA FLEXÍVEL, OU SEU COMPONENTE, PARA CALÇADOS

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