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Official data from INPI

APARELHO PARA CALIBRAR UMA SAÍDA DE SENSOR.

ConcedidaInvention Patent

Application data

Number

PI8407069

Type

Invention Patent

Filing

09/04/1984

Publication

08/13/1985

Progress at the INPI

  1. Filing09/04/84
  2. Publication08/13/85
  3. Examination10/29/85
  4. Allowance12/29/87
  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

F. C. (pessoa física)

US

Inventors

E. T. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

533.847 · 09/16/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Arquivamento - Art. 38 §2° da LPI

#11.4

11/08/1988

RPI 942

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Solicitação de exame técnico

#4.1

10/29/1985

RPI 784

Notificação de entrada na fase nacional - PCT

#1.3

08/13/1985

RPI 773

Carta-patente expirada

#21.1

Patente extinta em 04/09/99

07/08/2008

RPI 1957

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