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Official data from INPI

PROCESSO PARA TRATAMENTO DE PÓS DE FILTROS, LODOS DE DRAGAGEM (LODO DE PORTOS) E REJEITOS SIMILARES PARA SUA DEPOSIÇÃO FINAL

DeferidaInvention PatentPCT · EP1987000190

Application data

Number

PI8707266

Type

Invention Patent

Filing

04/08/1987

Publication

04/19/1988

PCT

EP1987000190

Progress at the INPI

Awaiting grant fee payment
  1. Filing04/08/87
  2. Publication04/19/88
  3. Examination02/01/90
  4. Allowance10/01/91
  5. Grant
  6. In force

The application was allowed by the INPI on 10/01/1991. The grant of the letters patent is being processed.

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Latest action published by the INPI: 04/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. B. (pessoa física)

DE

Inventors

W. B. (pessoa física)

DE

Technical data

Priority claims

DE

P3612381.1 · 04/12/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

04/19/1988

RPI 913

Retificação

#15.3

04/21/1992

RPI 1116

Deferimento

#9.1

10/01/1991

RPI 1087

Solicitação de exame técnico

#4.1

02/01/1990

RPI 1004

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