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Official data from INPI

DIAFRAGMA PARA ASPIRADORES E COMPRESSORES

Em AnáliseInvention Patent

Application data

Number

PI8700526

Type

Invention Patent

Filing

01/29/1987

Publication

06/30/1987

Progress at the INPI

Under appeal
  1. Filing01/29/87
  2. Publication06/30/87
  3. Examination02/06/90
  4. Refused01/02/91
  5. Grant
  6. In force

The application was refused by the INPI on 01/02/1991. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Olidef CZ Industria e Comercio de Aparelhos Hospitalares Ltda.

SP, BR

See this company's full portfolio

Inventors

J. F. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame não realizada

#4.2

11/07/1989

RPI 994

Publicação antecipada

#3.2

06/30/1987

RPI 871

Pedido de patente depositado

#2.1

06/09/1987

RPI 868

Republicação - classificação IPC

#15.11

04/16/1991

RPI 1063

Indeferimento

#9.2

01/02/1991

RPI 1048

Solicitação de exame técnico

#4.1

02/06/1990

RPI 1005

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