Official data from INPI

PROCESSO PARA RECONDICIONAR UMA SOLUCAO USADA PARA GRAVAR COBRE E CONTENDO SOLUTO DE COBRE

Em AnáliseInvention Patent

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Application data

Number

PI8501769

Type

Invention Patent

Filing

04/15/1985

Publication

11/18/1986

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Progress at the INPI

Under appeal

Filing04/15/85
Publication11/18/86
Examination12/02/86
Refused05/29/90
Grant
In force

The application was refused by the INPI on 05/29/1990. The invention was never patented.

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Latest action published by the INPI: 12/02/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KEVIN E WARHEIT [US]

Inventors

W. [. (pessoa física)

Technical data

IPC Classification

C25F 7/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/02/1986

RPI 841

Publicação do pedido de patente

#3.1

11/18/1986

RPI 839

Pedido de patente depositado

#2.1

07/02/1985

RPI 767

Indeferimento

#9.2

05/29/1990

RPI 1020

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