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Official data from INPI

DISPOSIÇAO CONSTRUTIVA EM CAVALETE PARA LIGAÇOES HIDRÁULICAS

Prazo de SigiloUtility Model

Application data

Number

MU6802321

Type

Utility Model

Filing

10/14/1988

Publication

06/05/1990

Progress at the INPI

  1. Filing10/14/88
  2. Publication06/05/90
  3. Examination08/21/90
  4. Allowance03/23/93
  5. Grant08/31/93
  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: 05/23/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Polierg Indústria e Comércio Ltda

SP, BR

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Inventors

Y. O. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

05/23/1989

RPI 970

Carta-patente expirada

#21.1

Patente extinta em 14/10/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).

09/25/2001

RPI 1603

Concessão da patente

#16.1

08/31/1993

RPI 1187

Deferimento

#9.1

03/23/1993

RPI 1164

Exigência - art. 36 da LPI

#6.1

12/03/1991

RPI 1096

Solicitação de exame técnico

#4.1

08/21/1990

RPI 1029

Publicação do pedido de patente

#3.1

06/05/1990

RPI 1021

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