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Official data from INPI

GASOGÊNIO DE BAIXA POTÊNCIA DESTINADO A FUNCIONAR COM RESÍDUOS DE COCO OU COM MADEIRA DE SERINGUEIRA

Em AnáliseInvention Patent

Application data

Number

PI8600938

Type

Invention Patent

Filing

03/04/1986

Publication

10/27/1987

Progress at the INPI

  1. Filing03/04/86
  2. Publication10/27/87
  3. Examination07/18/89
  4. Allowance08/06/91
  5. Grant04/28/92
  6. Expired07/22/08

The letters patent expired on 07/22/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I2T-Societe Ivoirienne de Technologie Tropicale

CI

Inventors

K. D. (pessoa física)

CI

R. C. (pessoa física)

CI

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/18/1989

RPI 978

Publicação do pedido de patente

#3.1

10/27/1987

RPI 888

Pedido de patente depositado

#2.1

08/26/1986

RPI 827

Carta-patente expirada

#21.1

Patente extinta em 04/03/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

04/28/1992

RPI 1117

Notificação para pagamento de retribuição

#13.1

12/03/1991

RPI 1096

Deferimento

#9.1

08/06/1991

RPI 1079

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