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Official data from INPI

DISPOSIÇÃO INTRODUZIDA EM INSERTO APLICÁVEL NAS OPERAÇÕES DE USINAGEM

Prazo de SigiloUtility Model

Application data

Number

MU6801826

Type

Utility Model

Filing

08/16/1988

Publication

04/10/1990

Progress at the INPI

  1. Filing08/16/88
  2. Publication04/10/90
  3. Examination08/21/90
  4. Allowance06/01/93
  5. Grant10/26/93
  6. Expired09/25/01

The letters patent expired on 09/25/2001: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Petroleum Formação de Inserto Ltda.

PR, BR

Inventors

G. V. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

05/30/1989

RPI 971

Carta-patente expirada

#21.1

Patente extinta em 16/08/98 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).

09/25/2001

RPI 1603

Concessão da patente

#16.1

10/26/1993

RPI 1195

Deferimento

#9.1

06/01/1993

RPI 1174

14.7

03/09/1993

RPI 1162

Solicitação de exame técnico

#4.1

08/21/1990

RPI 1029

Publicação do pedido de patente

#3.1

04/10/1990

RPI 1013

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