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Official data from INPI

DISPOSITIVO PARA SUPORTAR CURSORES DE FECHO CORREDIÇO

ConcedidaInvention Patent

Application data

Number

PI8306400

Type

Invention Patent

Filing

11/16/1983

Publication

06/26/1984

Progress at the INPI

  1. Filing11/16/83
  2. Publication06/26/84
  3. Examination10/02/84
  4. Allowance12/20/88
  5. Grant09/26/89
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 09/26/1989. 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

T. N. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

57-173959 · 11/17/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

04/25/1989

RPI 966

Deferimento

#9.1

12/20/1988

RPI 948

Conhecimento de parecer técnico

#7.1

12/22/1987

RPI 896

Solicitação de exame técnico

#4.1

10/02/1984

RPI 728

Publicação do pedido de patente

#3.1

06/26/1984

RPI 714

Pedido de patente depositado

#2.1

01/31/1984

RPI 693

Carta-patente expirada

#21.1

Patente extinta em 16/11/98

07/01/2008

RPI 1956

20.4

09/12/1995

RPI 1293

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