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Official data from INPI

PROCESSO E TÚNEL DE RESFRIAMENTO.

Em ExigênciaInvention Patent

Application data

Number

PI8606724

Type

Invention Patent

Filing

06/04/1986

Publication

08/11/1987

Progress at the INPI

  1. Filing06/04/86
  2. Publication08/11/87
  3. Examination12/22/87
  4. Allowance06/19/90
  5. Grant12/26/90
  6. Terminated10/03/95

The patent was granted on 12/26/1990 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: 08/22/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L'Air Liquide-Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude

FR

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Inventors

B. B. (pessoa física)

FR

J. T. (pessoa física)

FR

L. G. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

85/08777 · 06/11/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

08/22/1989

RPI 983

Solicitação de exame técnico

#4.1

12/22/1987

RPI 896

Notificação de entrada na fase nacional - PCT

#1.3

08/11/1987

RPI 877

Anuidade - prazo legal encerrado

#18.2

10/03/1995

RPI 1296

Concessão da patente

#16.1

12/26/1990

RPI 1047

Notificação para pagamento de retribuição

#13.1

10/02/1990

RPI 1035

Deferimento

#9.1

06/19/1990

RPI 1023

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