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Official data from INPI

APERFEIÇOAMENTO EM CONTAINER

ConcedidaInvention Patent

Application data

Number

PI8401923

Type

Invention Patent

Filing

04/18/1984

Publication

07/10/1984

Progress at the INPI

  1. Filing04/18/84
  2. Publication07/10/84
  3. Examination06/25/85
  4. Allowance06/28/88
  5. Grant09/26/89
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S/A. Agro-Industrial Eldorado

SP, BR

Inventors

V. R. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

10/25/1988

RPI 940

Deferimento

#9.1

06/28/1988

RPI 923

Solicitação de exame técnico

#4.1

06/25/1985

RPI 766

Publicação antecipada

#3.2

07/10/1984

RPI 716

Pedido de patente depositado

#2.1

07/03/1984

RPI 715

Carta-patente expirada

#21.1

Patente extinta em 18/04/99

07/08/2008

RPI 1957

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