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Official data from INPI

PROCESSO PARA HIDROTRATAMENTO DE MATERIAL CARBONIFERO

Em AnáliseInvention Patent

Application data

Number

PI8102305

Type

Invention Patent

Filing

04/15/1980

Publication

12/08/1981

Progress at the INPI

  1. Filing04/15/80
  2. Publication12/08/81
  3. Examination10/18/83
  4. Allowance03/11/86
  5. Grant09/30/86
  6. Terminated01/17/89

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: 01/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. R. (pessoa física)

Inventors

S. R. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

01/17/1989

RPI 952

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

02/12/1985

RPI 747

Pedido de certificado de adição de invenção

#5.1

03/20/1984

RPI 700

Solicitação de exame técnico

#4.1

10/18/1983

RPI 678

Publicação do pedido de patente

#3.1

12/08/1981

RPI 581

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