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Official data from INPI

PROCESSO E DISPOSITIVO PARA COMANDAR CÂMARA DE EXTRAVASAMENTO DE VÁLVULA E PROCESSO E DISPOSITIVO PARA LIMPEZA DE ARRANJO DE VEDAÇÃO DE VÁLVULA SOB SOLICITAÇÃO DINÂMICA

Em AnáliseInvention PatentPCT · EP1988000027

Application data

Number

PI8804827

Type

Invention Patent

Filing

01/15/1988

Publication

10/31/1989

PCT

EP1988000027

Progress at the INPI

  1. Filing01/15/88
  2. Publication10/31/89
  3. Examination02/13/90
  4. Allowance08/06/91
  5. Grant05/26/92
  6. Terminated12/31/96

The patent was granted on 05/26/1992 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. M. (pessoa física)

DE

Inventors

H. M. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 37 01 027.1 · 01/16/1987

DE

PCT/88/00027 · 01/15/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

10/31/1989

RPI 993

Anuidade - prazo legal encerrado

#18.2

12/31/1996

RPI 1361

Concessão da patente

#16.1

05/26/1992

RPI 1121

Notificação para pagamento de retribuição

#13.1

12/03/1991

RPI 1096

Deferimento

#9.1

08/06/1991

RPI 1079

Solicitação de exame técnico

#4.1

02/13/1990

RPI 1006

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