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Official data from INPI

VÁLVULA ESFÉRICA E PROCESSO DE FABRICAÇÃO DE UM CONJUNTO DE ENCAIXE PARA A MESMA

Em AnáliseInvention PatentPCT · NO1989000103

Application data

Number

PI8907714

Type

Invention Patent

Filing

10/09/1989

Publication

07/30/1991

PCT

NO1989000103

Progress at the INPI

  1. Filing10/09/89
  2. Publication07/30/91
  3. Examination03/17/92
  4. Allowance11/03/93
  5. Grant05/31/94
  6. Terminated07/16/96

The patent was granted on 05/31/1994 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: 07/16/1996. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. A. (pessoa física)

NO

M. C. (pessoa física)

US

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Inventors

P. D. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

NO

884585 · 10/14/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/16/1996

RPI 1337

Concessão da patente

#16.1

05/31/1994

RPI 1226

Deferimento

#9.1

11/03/1993

RPI 1196

Exigência - art. 36 da LPI

#6.1

03/23/1993

RPI 1164

Solicitação de exame técnico

#4.1

03/17/1992

RPI 1111

Notificação de entrada na fase nacional - PCT

#1.3

07/30/1991

RPI 1078

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