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Official data from INPI

CIRCUITO DE MEDICAO DE REATANCIA

ConcedidaInvention Patent

Application data

Number

PI8205675

Type

Invention Patent

Filing

01/23/1981

Publication

12/14/1982

Progress at the INPI

  1. Filing01/23/81
  2. Publication12/14/82
  3. Examination09/11/84
  4. Allowance07/08/86
  5. Grant02/03/87
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 02/03/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ROSEMOUNT INC [US]

Inventors

F. L. (pessoa física)

G. A. (pessoa física)

R. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/03/1987

RPI 850

Notificação para pagamento de retribuição

#13.1

11/04/1986

RPI 837

Deferimento

#9.1

07/08/1986

RPI 820

Exigência - art. 36 da LPI

#6.1

11/19/1985

RPI 787

Exigência - art. 36 da LPI

#6.1

03/05/1985

RPI 750

Solicitação de exame técnico

#4.1

09/11/1984

RPI 725

Notificação de entrada na fase nacional - PCT

#1.3

12/14/1982

RPI 634

Carta-patente expirada

#21.1

Patente extinta em 18/01/97

08/19/2008

RPI 1963

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