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Official data from INPI

DISPOSICAO CONSTRUTIVA EM VALVULA DE DESCARGA

Em AnáliseUtility Model

Application data

Number

MU6401280

Type

Utility Model

Filing

08/13/1984

Publication

03/25/1986

Progress at the INPI

  1. Filing08/13/84
  2. Publication03/25/86
  3. Examination07/15/86
  4. Allowance04/12/88
  5. Grant12/27/88
  6. Terminated03/10/92

The patent was granted on 12/27/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NERGIO CORREA LEITE [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

10/17/1989

RPI 991

Concessão da patente

#16.1

12/27/1988

RPI 949

Notificação para pagamento de retribuição

#13.1

07/26/1988

RPI 927

Deferimento

#9.1

04/12/1988

RPI 912

Exigência - art. 36 da LPI

#6.1

12/22/1987

RPI 896

Solicitação de exame técnico

#4.1

07/15/1986

RPI 821

Publicação do pedido de patente

#3.1

03/25/1986

RPI 805

Pedido de patente depositado

#2.1

10/23/1984

RPI 731

Anuidade - prazo legal encerrado

#18.2

03/10/1992

RPI 1110

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