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Official data from INPI

APARELHO E MÉTODO PARA PRODUZIR FECHOS CORREDIÇOS A PARTIR DE UMA CADEIA CONTÍNUA DE FECHOS

ConcedidaInvention Patent

Application data

Number

PI8400257

Type

Invention Patent

Filing

01/17/1984

Publication

08/21/1984

Progress at the INPI

  1. Filing01/17/84
  2. Publication08/21/84
  3. Examination11/27/84
  4. Allowance01/24/89
  5. Grant09/26/89
  6. Terminated12/24/96

The patent was granted on 09/26/1989 and later terminated for failure to pay the annuities. The technology is in the public domain 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

H. F. (pessoa física)

US

S. F. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

458.547 · 01/17/1983

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

05/30/1989

RPI 971

Deferimento

#9.1

01/24/1989

RPI 953

Exigência - art. 36 da LPI

#6.1

08/30/1988

RPI 932

6.2

09/22/1987

RPI 883

Solicitação de exame técnico

#4.1

11/27/1984

RPI 736

Publicação do pedido de patente

#3.1

08/21/1984

RPI 722

Pedido de patente depositado

#2.1

04/10/1984

RPI 703

Anuidade - prazo legal encerrado

#18.2

12/24/1996

RPI 1360

20.4

09/12/1995

RPI 1293

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