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Official data from INPI

Processo de produção de biogás a partir de plantas aquáticas.

Em AnáliseInvention Patent
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Application data

Number

PI8506087

Type

Invention Patent

Filing

11/28/1985

Publication

06/16/1987
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Progress at the INPI

  1. Filing11/28/85
  2. Publication06/16/87
  3. Abandoned02/01/90
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 10/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CESP - Companhia Energética de São Paulo

SP, BR

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Inventors

L. R. (pessoa física)

S. D. (pessoa física)

Technical data

IPC Classification

C12P 5/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame não realizada

#4.2

10/10/1989

RPI 990

Publicação do pedido de patente

#3.1

06/16/1987

RPI 869

Pedido de patente depositado

#2.1

02/18/1986

RPI 800

Arquivamento - Art. 36 §1° da LPI

#11.2

08/03/1993

RPI 1183

Exigência - art. 36 da LPI

#6.1

02/24/1993

RPI 1160

15.5

10/16/1990

RPI 1037

Solicitação de exame técnico

#4.1

02/01/1990

RPI 1004

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