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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE MEIOS DE FILTRO, MEIO DE FOLHA DE FILTRO E PROCESSO PARA A REMOÇÃO DE NÉVOA OU DE FORMADORES DE NÉVOA.

IndeferidaInvention Patent

Application data

Number

PI8100665

Type

Invention Patent

Filing

02/04/1981

Publication

-

Progress at the INPI

Under appeal
  1. Filing02/04/81
  2. Publication
  3. Examination10/18/83
  4. Refused03/25/86
  5. Grant
  6. In force

The application was refused by the INPI on 03/25/1986. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 03/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. I. (pessoa física)

US

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Inventors

H. K. (pessoa física)

Technical data

Priority claims

US

118.142 · 02/04/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

03/25/1986

RPI 805

Conhecimento de parecer técnico

#7.1

02/26/1985

RPI 749

Solicitação de exame técnico

#4.1

10/18/1983

RPI 678

Republicação - classificação IPC

#15.11

06/28/1983

RPI 662

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: D21F 11/14; B01D 13/00; D21F 1/06; D21H 17/68; D21H 27/08.

03/20/2018

RPI 2463

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