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Official data from INPI

INSTRUMENTO SENSOR APERFEIÇOADO E SONDA SENSORA DE DADOS DO AR

ConcedidaInvention Patent

Application data

Number

PI8407237

Type

Invention Patent

Filing

12/03/1984

Publication

11/26/1985

Progress at the INPI

  1. Filing12/03/84
  2. Publication11/26/85
  3. Examination10/06/87
  4. Allowance01/10/89
  5. Grant09/26/89
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rosemount Inc.

US

See this company's full portfolio

Inventors

F. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

564.520 · 12/22/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

05/30/1989

RPI 971

Deferimento

#9.1

01/10/1989

RPI 951

Exigência - art. 36 da LPI

#6.1

06/28/1988

RPI 923

Solicitação de exame técnico

#4.1

10/06/1987

RPI 885

Notificação de entrada na fase nacional - PCT

#1.3

11/26/1985

RPI 788

Carta-patente expirada

#21.1

Patente extinta em 03/12/99

07/08/2008

RPI 1957

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