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Official data from INPI

MEDIDOR DE GÁS

ConcedidaInvention Patent

Application data

Number

PI8402908

Type

Invention Patent

Filing

06/14/1984

Publication

05/21/1985

Progress at the INPI

  1. Filing06/14/84
  2. Publication05/21/85
  3. Examination08/20/85
  4. Allowance05/02/89
  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

Flonic S.A.

FR

Inventors

M. B. (pessoa física)

FR

M. C. (pessoa física)

FR

M. D. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

83/09791 · 06/14/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Deferimento

#9.1

05/02/1989

RPI 967

Exigência - art. 36 da LPI

#6.1

08/16/1988

RPI 930

Republicação - classificação IPC

#15.11

05/31/1988

RPI 919

Exigência - art. 36 da LPI

#6.1

03/15/1988

RPI 908

Solicitação de exame técnico

#4.1

08/20/1985

RPI 774

Publicação do pedido de patente

#3.1

05/21/1985

RPI 761

Pedido de patente depositado

#2.1

08/14/1984

RPI 721

Carta-patente expirada

#21.1

Patente extinta em 14/06/99

07/08/2008

RPI 1957

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