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Official data from INPI

COMPOSIÇÃO PARA REVESTIMENTO DE PARTÍCULAS DE BORRACHA ÚMIDAS E PROCESSO PARA A PREPARAÇÃO DA MESMA, BEM COMO PROCESSO PARA A PRODUÇÃO DE BALAS DE BORRACHA FRIÁVEIS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9005670

Type

Invention Patent

Filing

11/08/1990

Publication

09/17/1991

Progress at the INPI

  1. Filing11/08/90
  2. Publication09/17/91
  3. Examination09/21/93
  4. Allowance11/24/98
  5. Grant06/13/00
  6. Expired05/21/13

The letters patent expired on 05/21/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/21/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Stamicarbon B.V.

NL

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Inventors

L. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

435.198 · 11/09/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 08/11/2010

05/21/2013

RPI 2211

Concessão da patente

#16.1

06/13/2000

RPI 1536

Deferimento

#9.1

Deferido de acordo com o artigo 229 da Lei nº9279 de 14/05/96.

11/24/1998

RPI 1455

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

04/23/1991

RPI 1064

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