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Official data from INPI

COMPOSIÇÃO DE TRATAMENTO DE MATERIAIS DO SOLO E PROCESSO PARA O TRATAMENTO DE MATERIAIS DO SOLO.

Em ExigênciaInvention Patent

Application data

Number

PI8403770

Type

Invention Patent

Filing

07/27/1984

Publication

07/02/1985

Progress at the INPI

  1. Filing07/27/84
  2. Publication07/02/85
  3. Examination08/18/87
  4. Allowance11/03/93
  5. Abandoned
  6. In force

The application was allowed on 11/03/1993 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 10/18/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Research And Engineering Company

US

See this company's full portfolio

Inventors

V. C. (pessoa física)

Technical data

Priority claims

US

518.023 · 07/28/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

10/18/1988

RPI 939

Solicitação de exame técnico

#4.1

08/18/1987

RPI 878

Publicação do pedido de patente

#3.1

07/02/1985

RPI 767

Pedido de patente depositado

#2.1

10/02/1984

RPI 728

Arquivamento - Art. 38 §2° da LPI

#11.4

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

03/22/1994

RPI 1216

Deferimento

#9.1

11/03/1993

RPI 1196

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