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Official data from INPI

AQUECEDOR PARA LÍQUIDOS COM CONTROLE ELETRÔNICO.

Em AnáliseInvention Patent

Application data

Number

PI8702934

Type

Invention Patent

Filing

05/22/1987

Publication

12/20/1988

Progress at the INPI

Under appeal
  1. Filing05/22/87
  2. Publication12/20/88
  3. Examination11/14/89
  4. Refused09/28/93
  5. Grant
  6. In force

The application was refused by the INPI on 09/28/1993. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. R. (pessoa física)

SP, BR

Inventors

W. R. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/14/1989

RPI 995

Publicação do pedido de patente

#3.1

12/20/1988

RPI 948

Pedido de patente depositado

#2.1

08/18/1987

RPI 878

Indeferimento

#9.2

09/28/1993

RPI 1191

Pedido de certificado de adição de invenção

#5.1

03/27/1990

RPI 1011

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