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Official data from INPI

APARELHO DE MEDIDA DE DÉBITO DE FLUIDO DO TIPO WOLTMANN.

ConcedidaInvention Patent

Application data

Number

PI8206176

Type

Invention Patent

Filing

10/22/1982

Publication

09/20/1983

Progress at the INPI

  1. Filing10/22/82
  2. Publication09/20/83
  3. Examination05/22/84
  4. Allowance12/26/84
  5. Grant06/25/85
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 06/25/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Flonic S.A.

FR

Inventors

L. R. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

81-19892 · 10/23/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/25/1985

RPI 766

Notificação para pagamento de retribuição

#13.1

04/16/1985

RPI 756

Deferimento

#9.1

12/26/1984

RPI 740

Solicitação de exame técnico

#4.1

05/22/1984

RPI 709

Publicação do pedido de patente

#3.1

09/20/1983

RPI 674

Pedido de patente depositado

#2.1

12/14/1982

RPI 634

Carta-patente expirada

#21.1

Patente extinta em 22/10/97

07/01/2008

RPI 1956

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