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Official data from INPI

ANTEPARO DE ESCADA

ConcedidaInvention Patent

Application data

Number

PI8207353

Type

Invention Patent

Filing

12/18/1981

Publication

10/18/1983

Progress at the INPI

  1. Filing12/18/81
  2. Publication10/18/83
  3. Examination12/24/85
  4. Allowance10/13/87
  5. Grant06/28/88
  6. Terminated06/26/90

The patent was granted on 06/28/1988 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: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KABUSHIKKI KAISHA NAKA GIJUTSU [JP]

Inventors

N. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1988

RPI 923

Notificação para pagamento de retribuição

#13.1

02/09/1988

RPI 903

Deferimento

#9.1

10/13/1987

RPI 886

Conhecimento de parecer técnico

#7.1

11/18/1986

RPI 839

Solicitação de exame técnico

#4.1

12/24/1985

RPI 792

Publicação do pedido de patente

#3.1

10/18/1983

RPI 678

Pedido de patente depositado

#2.1

02/08/1983

RPI 642

Anuidade - prazo legal encerrado

#18.2

06/26/1990

RPI 1024

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