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Official data from INPI

MATERIAL COMPOSTO RESISTENTE Á ABRASÃO E PROCESSO PARA A SUA PRODUÇÃO

PublicadaInvention Patent

Application data

Number

PI8900672

Type

Invention Patent

Filing

02/15/1989

Publication

10/10/1989

Progress at the INPI

Under appeal
  1. Filing02/15/89
  2. Publication10/10/89
  3. Examination08/07/90
  4. Refused02/09/99
  5. Grant
  6. In force

The application was refused by the INPI on 02/09/1999. The invention was never patented.

Talk to a specialist

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

Applicants and inventors

Applicants

Air Products And Chemicals, Inc

US

Air Products And Chemicals, Inc.

US

See this company's full portfolio

Inventors

B. B. (pessoa física)

Technical data

IPC Classification

Priority claims

US

157.679 · 02/18/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/10/1989

RPI 990

Pedido de patente depositado

#2.1

03/28/1989

RPI 962

Indeferimento

#9.2

Indeferido com base no artigo 37 da Lei nº 9279 de 14/05/96.

02/09/1999

RPI 1466

Exigência - art. 36 da LPI

#6.1

06/06/1995

RPI 1279

Exigência - art. 36 da LPI

#6.1

09/27/1994

RPI 1243

Solicitação de exame técnico

#4.1

08/07/1990

RPI 1027

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