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Official data from INPI

SISTEMA CONJUGADO DE CAPTAÇÃO DE GÁS BIOQUÍMICO E DE TRATAMENTO E RECIRCULAÇÃO DE LÍQUIDOS PERCOLADOS DE ATERROS ENERGÉTICOS DE LIXO.

ConcedidaInvention Patent

Application data

Number

PI8100781

Type

Invention Patent

Filing

02/05/1981

Publication

-

Progress at the INPI

  1. Filing02/05/81
  2. Publication
  3. Examination10/13/81
  4. Allowance05/13/86
  5. Grant12/30/86
  6. Terminated02/04/92

The patent was granted on 12/30/1986 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: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. Z. (pessoa física)

SP, BR

Inventors

Z. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

09/02/1986

RPI 828

Deferimento

#9.1

05/13/1986

RPI 812

Exigência - art. 36 da LPI

#6.1

02/26/1985

RPI 749

Solicitação de exame técnico

#4.1

10/13/1981

RPI 573

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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