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Official data from INPI

FOLHA DE MEIO FILTRANTE, PRCOCESSO PARA SUA PREPARACAO, E PROCESSO PARA REMOCAO DE CONTAMINANTES SUBMICROMETRICOS DE FLUIDOS BIOLOGICOS

Em AnáliseInvention Patent

Application data

Number

PI7902555

Type

Invention Patent

Filing

04/25/1979

Publication

-

Progress at the INPI

  1. Filing04/25/79
  2. Publication
  3. Examination08/17/82
  4. Allowance08/28/84
  5. Grant03/26/85
  6. Terminated06/14/88

The patent was granted on 03/26/1985 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AMF INC

Inventors

H. K. (pessoa física)

O. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

03/26/1985

RPI 753

13.3

02/20/1985

RPI 748

Deferimento

#9.1

08/28/1984

RPI 723

Exigência - art. 36 da LPI

#6.1

01/31/1984

RPI 693

Concessão da patente

#16.1

11/29/1983

RPI 684

Conhecimento de parecer técnico

#7.1

03/29/1983

RPI 649

Solicitação de exame técnico

#4.1

08/17/1982

RPI 617

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: B01D 39/18; D21H 3/48.

03/27/2018

RPI 2464

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