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Official data from INPI

VEDAÇÃO MÚLTIPLA PARA UMA CÂMARA DE PRESSÃO

Em AnáliseInvention PatentPCT · US1987000568

Application data

Number

PI8707725

Type

Invention Patent

Filing

03/10/1987

Publication

10/31/1989

PCT

US1987000568

Progress at the INPI

  1. Filing03/10/87
  2. Publication10/31/89
  3. Examination03/06/90
  4. Allowance09/17/91
  5. Grant06/30/92
  6. Terminated10/24/95

The patent was granted on 06/30/1992 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

A. C. (pessoa física)

US

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Inventors

K. F. (pessoa física)

US

Technical data

Priority claims

US

871.947 · 06/09/1986

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

10/24/1995

RPI 1299

Concessão da patente

#16.1

06/30/1992

RPI 1126

Notificação para pagamento de retribuição

#13.1

01/21/1992

RPI 1103

Deferimento

#9.1

09/17/1991

RPI 1085

Solicitação de exame técnico

#4.1

03/06/1990

RPI 1008

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