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Official data from INPI

APERFEICOAMENTO EM PRESSURIZADOR HIDRAULICO

Em AnáliseUtility Model

Application data

Number

MU6400059

Type

Utility Model

Filing

01/19/1984

Publication

08/27/1985

Progress at the INPI

  1. Filing01/19/84
  2. Publication08/27/85
  3. Examination06/24/86
  4. Allowance02/09/88
  5. Grant09/27/88
  6. Expired10/04/94

The letters patent expired on 10/04/1994: 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: 08/22/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

JOAO FRANCISCO GINJO LEMOS [BR]

Inventors

L. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

08/22/1989

RPI 983

Concessão da patente

#16.1

09/27/1988

RPI 936

Notificação para pagamento de retribuição

#13.1

06/07/1988

RPI 920

Deferimento

#9.1

02/09/1988

RPI 903

Exigência - art. 36 da LPI

#6.1

07/21/1987

RPI 874

Solicitação de exame técnico

#4.1

06/24/1986

RPI 818

Publicação do pedido de patente

#3.1

08/27/1985

RPI 775

Pedido de patente depositado

#2.1

04/10/1984

RPI 703

Carta-patente expirada

#21.1

10/04/1994

RPI 1244

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