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Official data from INPI

PROCESSO E APARELHO PARA SEPARAR PARTÍCULAS COM DIFERENTES VELOCIDADES DE SEDIMENTAÇÃO

IndeferidaInvention Patent

Application data

Number

PI8202341

Type

Invention Patent

Filing

04/23/1982

Publication

11/29/1983

Progress at the INPI

Under appeal
  1. Filing04/23/82
  2. Publication11/29/83
  3. Examination04/01/86
  4. Refused05/31/88
  5. Grant
  6. In force

The application was refused by the INPI on 05/31/1988. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Axel Johnson Engineering AB

SE

Inventors

H. L. (pessoa física)

SE

U. H. (pessoa física)

SE

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

05/31/1988

RPI 919

Conhecimento de parecer técnico

#7.1

08/25/1987

RPI 879

Solicitação de exame técnico

#4.1

04/01/1986

RPI 806

Publicação do pedido de patente

#3.1

11/29/1983

RPI 684

Pedido de patente depositado

#2.1

06/15/1982

RPI 608

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