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Official data from INPI

CONTROLE DUPLO DE CATRACA

Em AnáliseInvention Patent

Application data

Number

PI8504963

Type

Invention Patent

Filing

10/03/1985

Publication

05/12/1987

Progress at the INPI

Under appeal
  1. Filing10/03/85
  2. Publication05/12/87
  3. Examination08/25/87
  4. Refused03/13/90
  5. Grant
  6. In force

The application was refused by the INPI on 03/13/1990. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 08/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

WOLPAC IND METALURGICA LTDA [BR]

Inventors

W. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.4

08/23/1988

RPI 931

Solicitação de exame técnico

#4.1

08/25/1987

RPI 879

Publicação do pedido de patente

#3.1

05/12/1987

RPI 864

Pedido de patente depositado

#2.1

12/10/1985

RPI 790

Indeferimento

#9.2

03/13/1990

RPI 1009

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