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Official data from INPI

APERFEIÇOAMENTO NO PROCESSO PARA TORNAR IMPERMEÁVEIS AS SUPERFÍCIES INTERNAS DE ARTIGOS OCOS FABRICADOS EM POLIETILENO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9200761

Type

Invention Patent

Filing

02/24/1992

Publication

06/16/1992

Progress at the INPI

  1. Filing02/24/92
  2. Publication06/16/92
  3. Examination11/16/93
  4. Allowance08/29/00
  5. Grant07/10/01
  6. Expired06/25/13

The letters patent expired on 06/25/2013: 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: 06/25/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. L. (pessoa física)

SP, BR

Z. R. (pessoa física)

SP, BR

Zoltan Racz Engenharia e Indústria Ltda

SP, BR

Inventors

Z. R. (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 24/02/2012

06/25/2013

RPI 2216

Transferência deferida

#25.1

Transferido de: Zoltan Racz

11/22/2005

RPI 1820

Concessão da patente

#16.1

07/10/2001

RPI 1592

Transferência deferida

#25.1

Transferido de: Zoltan Racz Engenharia e Indústria Ltda.

10/10/2000

RPI 1553

Deferimento

#9.1

08/29/2000

RPI 1547

Exigência - art. 36 da LPI

#6.1

04/18/2000

RPI 1528

Solicitação de exame técnico

#4.1

11/16/1993

RPI 1198

Publicação antecipada

#3.2

06/16/1992

RPI 1124

Pedido de patente depositado

#2.1

04/14/1992

RPI 1115

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