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Official data from INPI

MÁQUINA EXTRATORA.

Em AnáliseInvention Patent

Application data

Number

PI8406862

Type

Invention Patent

Filing

12/28/1984

Publication

04/02/1985

Progress at the INPI

Technical opinion to answer
  1. Filing12/28/84
  2. Publication04/02/85
  3. Examination06/18/85
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. S. (pessoa física)

Inventors

U. S. (pessoa física)

W. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

02/28/1989

RPI 958

Retificação

#15.3

09/01/1987

RPI 880

Solicitação de exame técnico

#4.1

06/18/1985

RPI 765

Publicação antecipada

#3.2

04/02/1985

RPI 754

Pedido de patente depositado

#2.1

03/26/1985

RPI 753

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