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Official data from INPI

DISPOSITIVO SEMICONDUTOR

Arquivada/ExtintaInvention PatentPCT · US1990007562

Application data

Number

PI9007213

Type

Invention Patent

Filing

12/20/1990

Publication

02/18/1992

PCT

US1990007562

Progress at the INPI

  1. Filing12/20/90
  2. Publication02/18/92
  3. Examination10/05/93
  4. Allowance07/28/98
  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

H. C. (pessoa física)

US

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Inventors

J. B. (pessoa física)

US

Technical data

Priority claims

US

461.715 · 01/08/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 20/12/2010

05/28/2013

RPI 2212

Concessão da patente

#16.1

12/29/1998

RPI 1460

Deferimento

#9.1

07/28/1998

RPI 1440

Exigência - art. 36 da LPI

#6.1

10/07/1997

RPI 1401

Solicitação de exame técnico

#4.1

10/05/1993

RPI 1192

Notificação de entrada na fase nacional - PCT

#1.3

02/18/1992

RPI 1107

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