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Official data from INPI

APARELHO TERAPÊUTICO GERADOR DE CAMPO MAGNÉTICO

PublicadaInvention Patent

Application data

Number

PI8900344

Type

Invention Patent

Filing

01/27/1989

Publication

09/19/1989

Progress at the INPI

  1. Filing01/27/89
  2. Publication09/19/89
  3. Examination05/15/90
  4. Allowance04/14/98
  5. Grant11/24/98
  6. Expired12/18/12

The letters patent expired on 12/18/2012: 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: 09/19/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Nihonkenkozoshinkenkyukai CO , Ltd

JP

See this company's full portfolio

Inventors

I. M. (pessoa física)

JP

M. H. (pessoa física)

Technical data

IPC Classification

Priority claims

JP

63-11742 · 01/30/1988

JP

63-23634 · 02/23/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/19/1989

RPI 987

Pedido de patente depositado

#2.1

03/14/1989

RPI 960

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era A61N 1/42.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

Patente extinta em 27/01/2009

12/18/2012

RPI 2189

Concessão da patente

#16.1

11/24/1998

RPI 1455

Deferimento

#9.1

04/14/1998

RPI 1425

Exigência - art. 36 da LPI

#6.1

06/03/1997

RPI 1383

Solicitação de exame técnico

#4.1

05/15/1990

RPI 1018

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