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Official data from INPI

DISPOSITIVO DE DETECÇÃO DE FIM DE FITA.

ConcedidaInvention Patent

Application data

Number

PI8301000

Type

Invention Patent

Filing

03/01/1983

Publication

11/16/1983

Progress at the INPI

  1. Filing03/01/83
  2. Publication11/16/83
  3. Examination02/21/84
  4. Allowance10/15/85
  5. Grant08/26/86
  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: 08/26/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Victor Company Of Japan, Limited.

JP

See this company's full portfolio

Inventors

N. Y. (pessoa física)

Technical data

IPC Classification

Priority claims

JP

29293/82 · 03/02/1982

JP

32041/82 · 03/01/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/26/1986

RPI 827

Notificação para pagamento de retribuição

#13.1

04/15/1986

RPI 808

Deferimento

#9.1

10/15/1985

RPI 782

Republicação - classificação IPC

#15.11

05/14/1985

RPI 760

Exigência - art. 36 da LPI

#6.1

03/05/1985

RPI 750

Solicitação de exame técnico

#4.1

02/21/1984

RPI 696

Publicação do pedido de patente

#3.1

11/16/1983

RPI 682

Pedido de patente depositado

#2.1

04/12/1983

RPI 651

Carta-patente expirada

#21.1

Patente extinta em 01/03/98

07/01/2008

RPI 1956

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