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Official data from INPI

DISPOSITIVO DE IÇAMENTO

PublicadaInvention Patent

Application data

Number

PI8805304

Type

Invention Patent

Filing

10/07/1988

Publication

05/30/1989

Progress at the INPI

  1. Filing10/07/88
  2. Publication05/30/89
  3. Examination05/21/91
  4. Allowance07/06/93
  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: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. V. (pessoa física)

NL

Inventors

H. K. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

GB

8723898 · 10/12/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/30/1989

RPI 971

Pedido de patente depositado

#2.1

02/08/1989

RPI 955

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

15.17

05/10/1994

RPI 1223

15.5

03/01/1994

RPI 1213

Notificação para pagamento de retribuição

#13.1

11/23/1993

RPI 1199

Deferimento

#9.1

07/06/1993

RPI 1179

Exigência - art. 36 da LPI

#6.1

10/20/1992

RPI 1142

Solicitação de exame técnico

#4.1

05/21/1991

RPI 1068

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