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Official data from INPI

Dispositivo de controle de pressão ventricular cerebral para hidrocefalia.

ConcedidaUtility Model

Application data

Number

MU6400235

Type

Utility Model

Filing

02/14/1984

Publication

09/24/1985

Progress at the INPI

  1. Filing02/14/84
  2. Publication09/24/85
  3. Examination04/29/86
  4. Allowance10/06/87
  5. Grant06/28/88
  6. Terminated03/10/92

The patent was granted on 06/28/1988 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: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. M. (pessoa física)

BR

Inventors

S. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1988

RPI 923

Notificação para pagamento de retribuição

#13.1

02/09/1988

RPI 903

Deferimento

#9.1

10/06/1987

RPI 885

Exigência - art. 36 da LPI

#6.1

01/13/1987

RPI 847

Solicitação de exame técnico

#4.1

04/29/1986

RPI 810

Publicação do pedido de patente

#3.1

09/24/1985

RPI 779

Pedido de patente depositado

#2.1

05/08/1984

RPI 707

Anuidade - prazo legal encerrado

#18.2

03/10/1992

RPI 1110

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