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Official data from INPI

PROCESSO E REATOR AUTO-TÉRMICO PARA A PRODUÇÃO DE GÁS DE SÍNTESE RICO EM HIDROGÊNIO

Em AnáliseInvention Patent

Application data

Number

PI8500393

Type

Invention Patent

Filing

01/29/1985

Publication

09/10/1985

Progress at the INPI

  1. Filing01/29/85
  2. Publication09/10/85
  3. Examination10/20/87
  4. Allowance10/30/90
  5. Grant05/28/91
  6. Terminated12/24/96

The patent was granted on 05/28/1991 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: 10/20/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. C. (pessoa física)

US

Inventors

J. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

574.921 · 01/30/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/20/1987

RPI 887

Publicação do pedido de patente

#3.1

09/10/1985

RPI 777

Pedido de patente depositado

#2.1

04/23/1985

RPI 757

Anuidade - prazo legal encerrado

#18.2

12/24/1996

RPI 1360

Concessão da patente

#16.1

05/28/1991

RPI 1069

Notificação para pagamento de retribuição

#13.1

02/13/1991

RPI 1054

Deferimento

#9.1

10/30/1990

RPI 1039

Exigência - art. 36 da LPI

#6.1

03/13/1990

RPI 1009

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