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Official data from INPI

ESTRUTURA DE FIBRA CARBONÁCEA, MÉTODO PARA FORMAR UMA ESTRUTURA DE FIBRA CARBONÁCEA REVESTIDA E MOTOR ELÉTRICO, FILTRO DE FORNO E ESTRUTURA ISOLANTE LEVE

PublicadaInvention Patent

Application data

Number

PI8901016

Type

Invention Patent

Filing

03/01/1989

Publication

10/24/1989

Progress at the INPI

  1. Filing03/01/89
  2. Publication10/24/89
  3. Abandoned12/17/91
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

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Inventors

F. J. (pessoa física)

G. H. (pessoa física)

R. N. (pessoa física)

S. B. (pessoa física)

Technical data

IPC Classification

Priority claims

US

163,919 · 03/04/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/24/1989

RPI 992

Pedido de patente depositado

#2.1

04/18/1989

RPI 965

Arquivamento - Art. 36 §1° da LPI

#11.2

08/15/1995

RPI 1289

Exigência - art. 36 da LPI

#6.1

08/02/1994

RPI 1235

Solicitação de exame técnico

#4.1

12/17/1991

RPI 1098

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