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Official data from INPI

APARELHO DE DRENAGEM DE FLUIDOS CORPORAIS, PROCESSO DE FABRICAÇÃO DE UM SHUNT MÉDICO E SHUNT CIRURGICAMENTE IMPLANTÁVEL

PublicadaInvention Patent

Application data

Number

PI8706304

Type

Invention Patent

Filing

11/23/1987

Publication

07/19/1988

Progress at the INPI

  1. Filing11/23/87
  2. Publication07/19/88
  3. Abandoned09/25/90
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Denver Biomaterials, Inc.

US

Inventors

J. N. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

936.888 · 12/02/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/19/1988

RPI 926

Pedido de patente depositado

#2.1

03/01/1988

RPI 906

Arquivamento - Art. 36 §1° da LPI

#11.2

05/24/1994

RPI 1225

6.5

09/28/1993

RPI 1191

6.2

03/16/1993

RPI 1163

14.1

10/13/1992

RPI 1141

Solicitação de exame técnico

#4.1

09/25/1990

RPI 1034

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