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Official data from INPI

APARELHO DE AQUECIMENTO DE ALTA FREQÜÊNCIA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9103068

Type

Invention Patent

Filing

07/17/1991

Publication

02/11/1992

Progress at the INPI

  1. Filing07/17/91
  2. Publication02/11/92
  3. Examination06/30/92
  4. Allowance02/22/00
  5. Grant07/11/00
  6. Expired06/04/13

The letters patent expired on 06/04/2013: 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: 06/04/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Matsushita Electric Industrial Co., Ltd

JP

See this company's full portfolio

Inventors

K. Y. (pessoa física)

JP

K. Y. (pessoa física)

JP

M. Y. (pessoa física)

JP

S. M. (pessoa física)

JP

S. S. (pessoa física)

JP

T. K. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

2-188953 · 07/17/1990

JP

2-188955 · 07/17/1990

JP

2-188956 · 07/17/1990

JP

2-191181 · 07/18/1990

JP

2-191182 · 07/18/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 17/07/2011

06/04/2013

RPI 2213

Concessão da patente

#16.1

07/11/2000

RPI 1540

Deferimento

#9.1

02/22/2000

RPI 1520

Exigência - art. 36 da LPI

#6.1

08/24/1999

RPI 1494

Solicitação de exame técnico

#4.1

06/30/1992

RPI 1126

Publicação do pedido de patente

#3.1

02/11/1992

RPI 1106

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