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Official data from INPI

DISPOSITIVO SENSOR

Arquivada/ExtintaInvention Patent

Application data

Number

PI8904274

Type

Invention Patent

Filing

08/22/1989

Publication

03/19/1991

Progress at the INPI

  1. Filing08/22/89
  2. Publication03/19/91
  3. Examination07/16/91
  4. Allowance09/13/94
  5. Grant05/30/95
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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: 12/22/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Leopold Kostal GmbH & Co. KG

DE

See this company's full portfolio

Inventors

G. W. (pessoa física)

DE

N. B. (pessoa física)

DE

T. A. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 39 15 996.5 · 05/17/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 22/08/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

05/30/1995

RPI 1278

Notificação para pagamento de retribuição

#13.1

01/17/1995

RPI 1259

Deferimento

#9.1

09/13/1994

RPI 1241

Solicitação de exame técnico

#4.1

07/16/1991

RPI 1076

Publicação do pedido de patente

#3.1

03/19/1991

RPI 1059

Pedido de patente depositado

#2.1

03/12/1991

RPI 1058

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