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Official data from INPI

ESTRUTURAS DE FIBRAS CARBONÁCEAS ADENSADAS

ArquivadaInvention PatentPCT · US1989000673

Application data

Number

PI8905710

Type

Invention Patent

Filing

02/21/1989

Publication

11/20/1990

PCT

US1989000673

Progress at the INPI

  1. Filing02/21/89
  2. Publication11/20/90
  3. Abandoned11/12/91
  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: 08/15/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

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Inventors

G. C. (pessoa física)

M. J. (pessoa física)

S. V. (pessoa física)

Technical data

IPC Classification

Priority claims

US

163.923 · 03/04/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

08/15/1995

RPI 1289

Exigência - art. 36 da LPI

#6.1

10/11/1994

RPI 1245

Solicitação de exame técnico

#4.1

11/12/1991

RPI 1093

Notificação de entrada na fase nacional - PCT

#1.3

11/20/1990

RPI 1042

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