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Official data from INPI

SISTEMA PARA SANEAMENTO DE ESGOTOS COM SIMULTANEA PRODUCAO DE GAS COMBUSTIVEL E ADUBO

Em AnáliseInvention Patent
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Application data

Number

PI7905323

Type

Invention Patent

Filing

08/17/1979

Publication

-
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Progress at the INPI

  1. Filing08/17/79
  2. Publication
  3. Examination
  4. Allowance12/11/84
  5. Grant05/28/85
  6. Terminated07/12/88

The patent was granted on 05/28/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. M. (pessoa física)

Inventors

Z. B. (pessoa física)

Technical data

IPC Classification

C02F 11/04C05F 7/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Pedido de licença compulsória

#20.1

02/18/1986

RPI 800

Concessão da patente

#16.1

05/28/1985

RPI 762

Deferimento

#9.1

12/11/1984

RPI 738

Republicação - classificação IPC

#15.11

03/13/1984

RPI 699

Exigência - art. 36 da LPI

#6.1

03/07/1984

RPI 698

Exigência - art. 36 da LPI

#6.1

02/22/1983

RPI 644

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