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Official data from INPI

APARELHO E PROCESSO DE DETERMINACAO DA DENSIDADE,FLUXO DE MASSA OU PARAMETRO DE CORRENTE DE FLUIDO

ConcedidaInvention Patent

Application data

Number

PI8005795

Type

Invention Patent

Filing

01/11/1979

Publication

-

Progress at the INPI

  1. Filing01/11/79
  2. Publication
  3. Examination06/21/83
  4. Allowance08/14/84
  5. Grant03/26/85
  6. Terminated08/02/94

The patent was granted on 03/26/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TEC ASS INC

Inventors

C. R. (pessoa física)

J. R. (pessoa física)

M. R. (pessoa física)

T. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Deferimento

#9.1

08/14/1984

RPI 721

8.1

07/03/1984

RPI 715

Exigência - art. 36 da LPI

#6.1

01/17/1984

RPI 691

Solicitação de exame técnico

#4.1

06/21/1983

RPI 661

Anuidade - prazo legal encerrado

#18.2

08/02/1994

RPI 1235

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