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Official data from INPI

APARELHO AQUECEDOR DE ALTA FREQUÊNCIA

Arquivada/ExtintaInvention PatentPCT · JP1990001703

Application data

Number

PI9007177

Type

Invention Patent

Filing

12/26/1990

Publication

01/28/1992

PCT

JP1990001703

Progress at the INPI

  1. Filing12/26/90
  2. Publication01/28/92
  3. Examination03/30/93
  4. Allowance06/23/98
  5. Grant12/29/98
  6. Expired05/28/13

The letters patent expired on 05/28/2013: 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: 05/28/2013. 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

1/340648 · 12/29/1989

JP

2/188941 · 07/17/1990

JP

2/47567 · 02/28/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 26/12/2010

05/28/2013

RPI 2212

Concessão da patente

#16.1

12/29/1998

RPI 1460

Deferimento

#9.1

06/23/1998

RPI 1435

Solicitação de exame técnico

#4.1

03/30/1993

RPI 1165

Notificação de entrada na fase nacional - PCT

#1.3

01/28/1992

RPI 1104

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