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Official data from INPI

PROCESSO E APARELHO PARA O TRATAMENTO DE UMA EMULSAO DE OLEO EM AGUA

Em AnáliseInvention Patent

Application data

Number

PI7903617

Type

Invention Patent

Filing

01/30/1979

Publication

-

Progress at the INPI

  1. Filing01/30/79
  2. Publication
  3. Examination12/14/82
  4. Allowance10/23/84
  5. Grant04/30/85
  6. Terminated01/28/92

The patent was granted on 04/30/1985 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: 09/20/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

METALLI IND SPA

Inventors

B. P. (pessoa física)

T. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

09/20/1988

RPI 935

Pedido de licença compulsória

#20.1

09/13/1988

RPI 934

Concessão da patente

#16.1

04/30/1985

RPI 758

Deferimento

#9.1

10/23/1984

RPI 731

Exigência - art. 36 da LPI

#6.1

01/31/1984

RPI 693

Solicitação de exame técnico

#4.1

12/14/1982

RPI 634

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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