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Official data from INPI

PROCESSO E EQUIPAMENTO PARA ISOLAR PEÇAS PLANAS

PublicadaInvention Patent

Application data

Number

PI8900732

Type

Invention Patent

Filing

02/20/1989

Publication

10/17/1989

Progress at the INPI

  1. Filing02/20/89
  2. Publication10/17/89
  3. Examination10/22/91
  4. Allowance10/20/92
  5. Grant06/29/93
  6. Terminated12/31/96

The patent was granted on 06/29/1993 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Tetra Pak Finance & Trading S.A.

CH

Inventors

W. R. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P3804946.5 · 02/18/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/17/1989

RPI 991

Pedido de patente depositado

#2.1

04/04/1989

RPI 963

Anuidade - prazo legal encerrado

#18.2

12/31/1996

RPI 1361

Concessão da patente

#16.1

06/29/1993

RPI 1178

Notificação para pagamento de retribuição

#13.1

03/16/1993

RPI 1163

Deferimento

#9.1

10/20/1992

RPI 1142

Solicitação de exame técnico

#4.1

10/22/1991

RPI 1090

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