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Official data from INPI

PROCESSO PARA TRATAMENTO DE RESÍDUOS INDUSTRIAIS DE METAIS PESADOS

Prazo de SigiloInvention Patent
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Application data

Number

PI8806752

Type

Invention Patent

Filing

12/16/1988

Publication

07/31/1990
View on INPI

Progress at the INPI

Under appeal
  1. Filing12/16/88
  2. Publication07/31/90
  3. Examination02/19/91
  4. Refused01/02/01
  5. Grant
  6. In force

The application was refused by the INPI on 01/02/2001. 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

L. F. (pessoa física)

SP, BR

Inventors

L. F. (pessoa física)

BR

Technical data

IPC Classification

C02F 1/62

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

04/25/1989

RPI 966

Indeferimento

#9.2

Indeferido o pedido com base no disposto no artigo 8º da Lei 9279 de 14/05/96.

01/02/2001

RPI 1565

Conhecimento de parecer técnico

#7.1

11/16/1999

RPI 1506

Exigência - art. 36 da LPI

#6.1

08/02/1994

RPI 1235

15.7

10/01/1991

RPI 1087

Solicitação de exame técnico

#4.1

02/19/1991

RPI 1055

Publicação do pedido de patente

#3.1

07/31/1990

RPI 1026

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