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Official data from INPI

SENSOR DE INCLUSÃO DE METAL FUNDIDO

Arquivada/ExtintaInvention PatentPCT · CA1990000140

Application data

Number

PI9007333

Type

Invention Patent

Filing

04/27/1990

Publication

04/21/1992

PCT

CA1990000140

Progress at the INPI

  1. Filing04/27/90
  2. Publication04/21/92
  3. Examination07/06/93
  4. Allowance11/07/95
  5. Grant10/29/96
  6. Expired06/15/10

The letters patent expired on 06/15/2010: 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: 06/15/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. Guthrie Research Associates Inc.

CA

Sumitomo Metal Industries, Ltd

JP

Inventors

H. N. (pessoa física)

JP

R. G. (pessoa física)

CA

Technical data

IPC Classification

Priority claims

JP

1/108871 · 04/27/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 27/04/2005

06/15/2010

RPI 2058

Concessão da patente

#16.1

10/29/1996

RPI 1352

Notificação para pagamento de retribuição

#13.1

03/19/1996

RPI 1320

Deferimento

#9.1

11/07/1995

RPI 1301

Exigência - art. 36 da LPI

#6.1

04/25/1995

RPI 1273

Exigência - art. 36 da LPI

#6.1

11/22/1994

RPI 1251

Solicitação de exame técnico

#4.1

07/06/1993

RPI 1179

Notificação de entrada na fase nacional - PCT

#1.3

04/21/1992

RPI 1116

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