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Official data from INPI

DISPOSITIVO DE OSTOMIA

Em AnáliseInvention Patent

Application data

Number

PI8706542

Type

Invention Patent

Filing

12/03/1987

Publication

07/12/1988

Progress at the INPI

  1. Filing12/03/87
  2. Publication07/12/88
  3. Examination11/07/89
  4. Allowance08/10/93
  5. Grant07/26/94
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. I. (pessoa física)

US

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Inventors

B. S. (pessoa física)

US

M. M. (pessoa física)

US

P. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

937.825 · 12/04/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/07/1989

RPI 994

Publicação do pedido de patente

#3.1

07/12/1988

RPI 925

Pedido de patente depositado

#2.1

03/29/1988

RPI 910

Carta-patente expirada

#21.1

Patente extinta em 03/12/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

07/26/1994

RPI 1234

Deferimento

#9.1

08/10/1993

RPI 1184

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