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Official data from INPI

PROCESSO PARA MISTURA DE ELASTOMEROS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9004076

Type

Invention Patent

Filing

08/17/1990

Publication

02/25/1992

Progress at the INPI

  1. Filing08/17/90
  2. Publication02/25/92
  3. Examination11/16/93
  4. Allowance04/06/99
  5. Grant07/13/99
  6. Expired01/29/13

The letters patent expired on 01/29/2013: 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: 01/29/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L. L. (pessoa física)

RJ, BR

Relastomer Tecnologia e Partições S/A.

RJ, BR

Inventors

L. L. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 17/08/2010

01/29/2013

RPI 2195

Concessão da patente

#16.1

07/13/1999

RPI 1488

Deferimento

#9.1

04/06/1999

RPI 1474

Exigência - art. 36 da LPI

#6.1

05/05/1998

RPI 1428

14.1

04/26/1994

RPI 1221

Solicitação de exame técnico

#4.1

11/16/1993

RPI 1198

Publicação do pedido de patente

#3.1

02/25/1992

RPI 1108

Pedido de patente depositado

#2.1

02/19/1991

RPI 1055

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