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Official data from INPI

SENSOR PARA CAPTAÇÃO DE GRAU DE UMEDECIMENTO DE CHAPA TRANSPARENTE

Arquivada/ExtintaInvention Patent

Application data

Number

PI9002197

Type

Invention Patent

Filing

05/08/1990

Publication

08/13/1991

Progress at the INPI

  1. Filing05/08/90
  2. Publication08/13/91
  3. Examination11/05/91
  4. Allowance07/26/94
  5. Grant04/25/95
  6. Expired05/18/10

The letters patent expired on 05/18/2010: 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: 05/18/2010. 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

Technical data

IPC Classification

Priority claims

DE

P 40 06174.4-52 · 02/28/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 08/05/2005

05/18/2010

RPI 2054

Concessão da patente

#16.1

04/25/1995

RPI 1273

Notificação para pagamento de retribuição

#13.1

11/22/1994

RPI 1251

Deferimento

#9.1

07/26/1994

RPI 1234

Solicitação de exame técnico

#4.1

11/05/1991

RPI 1092

Publicação do pedido de patente

#3.1

08/13/1991

RPI 1080

Pedido de patente depositado

#2.1

09/25/1990

RPI 1034

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