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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE UMA COMPOSIÇÀO BETUMINOSA

ArquivadaInvention Patent

Application data

Number

PI9005167

Type

Invention Patent

Filing

10/15/1990

Publication

09/17/1991

Progress at the INPI

  1. Filing10/15/90
  2. Publication09/17/91
  3. Abandoned09/21/93
  4. Allowance
  5. Grant
  6. In force

The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/11/1997. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Internationale Research Maatschappij B.V

NL

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Inventors

M. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

422.194 · 10/16/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

11.31

11/11/1997

RPI 1406

Exigência - art. 36 da LPI

#6.1

04/30/1996

RPI 1326

Exigência - art. 36 da LPI

#6.1

08/01/1995

RPI 1287

Solicitação de exame técnico

#4.1

09/21/1993

RPI 1190

Publicação do pedido de patente

#3.1

09/17/1991

RPI 1085

Pedido de patente depositado

#2.1

04/16/1991

RPI 1063

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