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Official data from INPI

PAPEL DE VALOR E MÉTODO PARA PRODUZI-LO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9104957

Type

Invention Patent

Filing

11/14/1991

Publication

06/23/1992

Progress at the INPI

  1. Filing11/14/91
  2. Publication06/23/92
  3. Examination06/28/94
  4. Allowance10/26/99
  5. Grant05/16/00
  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

Gao Gesellschaft Fuer Automation Und Organisation MbH

DE

Inventors

D. K. (pessoa física)

DE

M. B. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 40 36 637.5 · 11/16/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 14/11/2011

06/11/2013

RPI 2214

Concessão da patente

#16.1

05/16/2000

RPI 1532

Deferimento

#9.1

10/26/1999

RPI 1503

Exigência - art. 36 da LPI

#6.1

11/17/1998

RPI 1454

Solicitação de exame técnico

#4.1

06/28/1994

RPI 1230

Publicação do pedido de patente

#3.1

06/23/1992

RPI 1125

Pedido de patente depositado

#2.1

12/24/1991

RPI 1099

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