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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8707442

Type

Invention Patent

Filing

08/14/1987

Publication

11/01/1988

Progress at the INPI

Technical opinion to answer
  1. Filing08/14/87
  2. Publication11/01/88
  3. Examination04/24/90
  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: 11/01/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Schweizerische Aluminium Ag

CH

Inventors

A. [. (pessoa física)

B. [. (pessoa física)

D. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

11/01/1988

RPI 941

Retificação

#15.3

11/01/1994

RPI 1248

Conhecimento de parecer técnico

#7.1

05/17/1994

RPI 1224

Solicitação de exame técnico

#4.1

04/24/1990

RPI 1015

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