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Official data from INPI

APARELHO PARA EMPARELHAR DUAS FILEIRAS DE ELEMENTOS ACOPLADORES HELICOIDAIS DE FECHOS CORREDIÇOS.

ConcedidaInvention Patent

Application data

Number

PI8400296

Type

Invention Patent

Filing

01/20/1984

Publication

08/28/1984

Progress at the INPI

  1. Filing01/20/84
  2. Publication08/28/84
  3. Examination11/27/84
  4. Allowance08/26/86
  5. Grant06/02/87
  6. Terminated12/24/96

The patent was granted on 06/02/1987 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: 06/02/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Y. K. (pessoa física)

JP

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Inventors

S. Y. (pessoa física)

T. K. (pessoa física)

Technical data

Priority claims

JP

58 8561 · 01/20/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/02/1987

RPI 867

Notificação para pagamento de retribuição

#13.1

12/09/1986

RPI 842

Deferimento

#9.1

08/26/1986

RPI 827

Solicitação de exame técnico

#4.1

11/27/1984

RPI 736

Publicação do pedido de patente

#3.1

08/28/1984

RPI 723

Pedido de patente depositado

#2.1

04/10/1984

RPI 703

Anuidade - prazo legal encerrado

#18.2

12/24/1996

RPI 1360

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