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Official data from INPI

UNIDADE DE EXPOSIÇÃO GRÁFICA

PublicadaInvention Patent

Application data

Number

PI8901427

Type

Invention Patent

Filing

03/28/1989

Publication

11/14/1989

Progress at the INPI

  1. Filing03/28/89
  2. Publication11/14/89
  3. Examination08/14/90
  4. Allowance04/18/00
  5. Grant08/22/00
  6. Expired12/18/12

The letters patent expired on 12/18/2012: 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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Y. C. (pessoa física)

JP

See this company's full portfolio

Inventors

K. I. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

88-267940 · 10/24/1988

JP

88-267941 · 10/24/1988

JP

88-267942 · 10/24/1988

JP

88-79539 · 03/31/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/14/1989

RPI 995

Pedido de patente depositado

#2.1

05/09/1989

RPI 968

Carta-patente expirada

#21.1

Patente extinta em 22/08/2010

12/18/2012

RPI 2189

Concessão da patente

#16.1

08/22/2000

RPI 1546

Deferimento

#9.1

04/18/2000

RPI 1528

Exigência - art. 36 da LPI

#6.1

08/03/1999

RPI 1491

8.1

Referente a 9ª e 10ª anuidade

12/01/1998

RPI 1456

Solicitação de exame técnico

#4.1

08/14/1990

RPI 1028

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