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Official data from INPI

PROCESSO NAO POLUENTE DE PIROLISE DE MATERIAS LENHOSAS CARVAO VEGETAL CARBURANTE E COMBUSTIVEL

ConcedidaInvention Patent

Application data

Number

PI8105360

Type

Invention Patent

Filing

08/22/1980

Publication

05/11/1982

Progress at the INPI

  1. Filing08/22/80
  2. Publication05/11/82
  3. Examination07/13/82
  4. Allowance03/11/86
  5. Grant09/30/86
  6. Terminated08/07/90

The patent was granted on 09/30/1986 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: 09/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L. U. (pessoa física)

Inventors

G. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/30/1986

RPI 832

Notificação para pagamento de retribuição

#13.1

07/01/1986

RPI 819

Deferimento

#9.1

03/11/1986

RPI 803

Exigência - art. 36 da LPI

#6.1

04/16/1985

RPI 756

Pedido de certificado de adição de invenção

#5.1

01/11/1983

RPI 638

Solicitação de exame técnico

#4.1

07/13/1982

RPI 612

Publicação do pedido de patente

#3.1

05/11/1982

RPI 603

Anuidade - prazo legal encerrado

#18.2

08/07/1990

RPI 1027

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