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Official data from INPI

PROCESSO PARA PREPARACAO DE MATERIAL FILTRANTE,FILTRO CONTENDO O MATERIAL,E APLICACAO DO MATERIAL FILTRANTE PRODUZIDO

Em AnáliseInvention Patent

Application data

Number

PI7907834

Type

Invention Patent

Filing

11/30/1978

Publication

-

Progress at the INPI

  1. Filing11/30/78
  2. Publication
  3. Examination08/24/82
  4. Allowance12/06/83
  5. Grant05/29/84
  6. Terminated05/17/88

The patent was granted on 05/29/1984 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. M. (pessoa física)

Inventors

S. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

05/29/1984

RPI 710

Republicação - classificação IPC

#15.11

05/02/1984

RPI 706

Notificação para pagamento de retribuição

#13.1

03/27/1984

RPI 701

Republicação - classificação IPC

#15.11

02/07/1984

RPI 694

Deferimento

#9.1

12/06/1983

RPI 685

Exigência - art. 36 da LPI

#6.1

04/19/1983

RPI 652

Solicitação de exame técnico

#4.1

08/24/1982

RPI 618

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