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Official data from INPI

MECANISMO TROCADOR DE MODALIDADE PARA UM APARELHO DE GRAVACAO E/OU REPRODUCAO

ConcedidaInvention Patent

Application data

Number

PI8108435

Type

Invention Patent

Filing

12/29/1980

Publication

10/13/1982

Progress at the INPI

  1. Filing12/29/80
  2. Publication10/13/82
  3. Examination10/30/84
  4. Allowance10/29/85
  5. Grant06/24/86
  6. Terminated11/08/94

The patent was granted on 06/24/1986 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: 06/24/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SONY CORP [JP]

See this company's full portfolio

Inventors

M. I. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/24/1986

RPI 818

Deferimento

#9.1

10/29/1985

RPI 784

Republicação - classificação IPC

#15.11

06/18/1985

RPI 765

Exigência - art. 36 da LPI

#6.1

05/07/1985

RPI 759

Solicitação de exame técnico

#4.1

10/30/1984

RPI 732

Publicação do pedido de patente

#3.1

10/13/1982

RPI 625

Pedido de patente depositado

#2.1

02/24/1982

RPI 592

Anuidade - prazo legal encerrado

#18.2

11/08/1994

RPI 1249

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