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Official data from INPI

MATERIAL DE EXIBIÇÃO

PublicadaInvention Patent

Application data

Number

PI8802723

Type

Invention Patent

Filing

06/06/1988

Publication

12/27/1988

Progress at the INPI

  1. Filing06/06/88
  2. Publication12/27/88
  3. Examination04/09/91
  4. Allowance03/19/96
  5. Grant12/31/96
  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: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. C. (pessoa física)

JP

See this company's full portfolio

Inventors

K. I. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

P 141714/87 · 06/06/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/27/1988

RPI 949

Pedido de patente depositado

#2.1

10/25/1988

RPI 940

Carta-patente expirada

#21.1

Patente extinta em 06/06/2003

09/02/2008

RPI 1965

Republicação - classificação IPC

#15.11

02/25/1997

RPI 1369

Concessão da patente

#16.1

12/31/1996

RPI 1361

Deferimento

#9.1

03/19/1996

RPI 1320

Exigência - art. 36 da LPI

#6.1

02/07/1995

RPI 1262

Solicitação de exame técnico

#4.1

04/09/1991

RPI 1062

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