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Official data from INPI

SISTEMA DE LAJE DE COBERTURA DE PESO LEVE

Em AnáliseInvention Patent

Application data

Number

PI8506889

Type

Invention Patent

Filing

08/10/1984

Publication

12/09/1986

Progress at the INPI

  1. Filing08/10/84
  2. Publication12/09/86
  3. Abandoned02/09/88
  4. Allowance
  5. Grant
  6. In force

The applicant withdrew the application. The case ended without a patent.

Talk to a specialist

Latest action published by the INPI: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DOW CHEMICAL CO [US]

See this company's full portfolio

Inventors

R. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

10.1

03/29/1988

RPI 910

10.1

03/08/1988

RPI 907

Solicitação de exame técnico

#4.1

02/09/1988

RPI 903

Notificação de entrada na fase nacional - PCT

#1.3

12/09/1986

RPI 842

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