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Official data from INPI

CIRCUITO ELÉTRICO PARA DETERMINAR UM VALOR NUMÉRICO EM INSTANTES DE AMOSTRAGEM ESPECIFICADOS, E, PROCESSO PARA PRODUZIR UM VALOR DIGITAL REPRESENTATIVO DE UMA FASE INSTANTÂNEA DE UM SINAL DE ENTRADA.

Arquivada/ExtintaInvention PatentPCT · SE1991000152

Application data

Number

PI9104861

Type

Invention Patent

Filing

02/26/1991

Publication

04/14/1992

PCT

SE1991000152

Progress at the INPI

  1. Filing02/26/91
  2. Publication04/14/92
  3. Examination12/28/93
  4. Allowance10/14/97
  5. Grant09/29/98
  6. Expired06/11/13

The letters patent expired on 06/11/2013: 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: 06/11/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. E. (pessoa física)

SE

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Inventors

P. D. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

US

07/490,330 · 03/08/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 26/02/2011

06/11/2013

RPI 2214

Concessão da patente

#16.1

09/29/1998

RPI 1449

Deferimento

#9.1

10/14/1997

RPI 1402

Exigência - art. 36 da LPI

#6.1

11/12/1996

RPI 1354

Solicitação de exame técnico

#4.1

12/28/1993

RPI 1204

Notificação de entrada na fase nacional - PCT

#1.3

04/14/1992

RPI 1115

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