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Official data from INPI

CONJUNTO DE FIVELA

Em AnáliseInvention Patent

Application data

Number

PI8708002

Type

Invention Patent

Filing

08/12/1987

Publication

06/21/1988

Progress at the INPI

  1. Filing08/12/87
  2. Publication06/21/88
  3. Examination12/27/88
  4. Allowance12/18/90
  5. Grant07/30/91
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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

Y. C. (pessoa física)

JP

Y. K. (pessoa física)

JP

See this company's full portfolio

Inventors

K. K. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

61-123530 · 08/12/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/27/1988

RPI 949

Publicação do pedido de patente

#3.1

06/21/1988

RPI 922

Pedido de patente depositado

#2.1

12/29/1987

RPI 897

Carta-patente expirada

#21.1

Patente extinta em 12/08/2002

07/29/2008

RPI 1960

20.4

10/10/1995

RPI 1297

Concessão da patente

#16.1

07/30/1991

RPI 1078

Notificação para pagamento de retribuição

#13.1

04/02/1991

RPI 1061

Deferimento

#9.1

12/18/1990

RPI 1046

15.10

11/06/1990

RPI 1040

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