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Official data from INPI

SISTEMA DE DESENROLAMENTO DE TRANSPARENTES PUBLICITÁRIOS

Arquivada/ExtintaInvention PatentPCT · BE1988000028

Application data

Number

PI8807234

Type

Invention Patent

Filing

10/07/1988

Publication

10/31/1989

PCT

BE1988000028

Progress at the INPI

  1. Filing10/07/88
  2. Publication10/31/89
  3. Examination10/02/90
  4. Allowance03/15/94
  5. Grant10/25/94
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. W. (pessoa física)

DE

H. D. (pessoa física)

BE

J. V. (pessoa física)

BE

Inventors

G. W. (pessoa física)

DE

H. D. (pessoa física)

BE

J. V. (pessoa física)

BE

Technical data

IPC Classification

Priority claims

BE

8701141 · 10/07/1987

BE

8701464 · 12/21/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

10/31/1989

RPI 993

Carta-patente expirada

#21.1

Patente extinta em 07/10/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

10/25/1994

RPI 1247

Notificação para pagamento de retribuição

#13.1

06/28/1994

RPI 1230

Deferimento

#9.1

03/15/1994

RPI 1215

Solicitação de exame técnico

#4.1

10/02/1990

RPI 1035

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