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Official data from INPI

APARELHO PROCESSADOR DE COMUNICAÇÕES

Arquivada/ExtintaInvention Patent

Application data

Number

PI9601287

Type

Invention Patent

Filing

04/08/1996

Publication

01/13/1998

Progress at the INPI

  1. Filing04/08/96
  2. Publication01/13/98
  3. Examination
  4. Allowance05/15/01
  5. Grant10/02/01
  6. Expired05/03/16

The letters patent expired on 05/03/2016: 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: 05/03/2016. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Schweitzer Engineering Laboratories, INC.

US

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Inventors

D. W. (pessoa física)

US

E. I. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

08/418,185 · 04/07/1995

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 08/04/2016

05/03/2016

RPI 2365

Concessão da patente

#16.1

10/02/2001

RPI 1604

Deferimento

#9.1

05/15/2001

RPI 1584

Publicação do pedido de patente

#3.1

01/13/1998

RPI 1412

Pedido de patente depositado

#2.1

06/25/1996

RPI 1334

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