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Official data from INPI

PROCESSO DE FORMAÇÃO DE RECIPIENTES RESISTENTES A PRESSÃO INTERNA, POR INCORPORAÇÃO DE REFORÇOS.

Em AnáliseInvention Patent

Application data

Number

PI8304525

Type

Invention Patent

Filing

08/17/1983

Publication

03/26/1985

Progress at the INPI

Under appeal
  1. Filing08/17/83
  2. Publication03/26/85
  3. Examination02/18/86
  4. Refused07/24/90
  5. Grant
  6. In force

The application was refused by the INPI on 07/24/1990. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 08/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unipac - Indústria e Comércio Ltda

SP, BR

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Inventors

B. V. (pessoa física)

M. T. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

08/08/1989

RPI 981

Retificação

#15.6

02/09/1988

RPI 903

15.2

11/17/1987

RPI 891

Solicitação de exame técnico

#4.1

02/18/1986

RPI 800

Publicação do pedido de patente

#3.1

03/26/1985

RPI 753

Pedido de patente depositado

#2.1

10/25/1983

RPI 679

Indeferimento

#9.2

07/24/1990

RPI 1025

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