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Official data from INPI

COPERCULO DIFERENCIADO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9004090

Type

Invention Patent

Filing

08/20/1990

Publication

04/30/1991

Progress at the INPI

  1. Filing08/20/90
  2. Publication04/30/91
  3. Examination08/06/91
  4. Allowance05/31/94
  5. Grant03/28/95
  6. Expired06/01/10

The letters patent expired on 06/01/2010: 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: 06/01/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. O. (pessoa física)

SP, BR

Supertainer Italplast do Brasil Embalagens Técnicas Ltda.

SP, BR

Inventors

I. O. (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 20/08/2005

06/01/2010

RPI 2056

Pedido de licença compulsória

#20.1

03/26/1996

RPI 1321

Concessão da patente

#16.1

03/28/1995

RPI 1269

Notificação para pagamento de retribuição

#13.1

10/04/1994

RPI 1244

Deferimento

#9.1

05/31/1994

RPI 1226

Solicitação de exame técnico

#4.1

08/06/1991

RPI 1079

Publicação antecipada

#3.2

04/30/1991

RPI 1065

Pedido de patente depositado

#2.1

02/26/1991

RPI 1056

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