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Official data from INPI

CIRCUITO PARA A MEDIÇÃO DA RESISTÊNCIA INTERNA DE UMA SONDA LAMBDA

Arquivada/ExtintaInvention PatentPCT · DE1990000006

Application data

Number

PI9004929

Type

Invention Patent

Filing

01/10/1990

Publication

08/06/1991

PCT

DE1990000006

Progress at the INPI

  1. Filing01/10/90
  2. Publication08/06/91
  3. Examination03/16/93
  4. Allowance10/04/94
  5. Grant06/27/95
  6. Expired06/01/10

The letters patent expired on 06/01/2010: 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: 06/01/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Robert Bosch GmbH

DE

See this company's full portfolio

Inventors

M. G. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 39 03 314.7 · 02/04/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 10/01/2005

06/01/2010

RPI 2056

Concessão da patente

#16.1

06/27/1995

RPI 1282

Notificação para pagamento de retribuição

#13.1

02/07/1995

RPI 1262

Deferimento

#9.1

10/04/1994

RPI 1244

Solicitação de exame técnico

#4.1

03/16/1993

RPI 1163

Notificação de entrada na fase nacional - PCT

#1.3

08/06/1991

RPI 1079

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