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Official data from INPI

MEDIDOR DE FLUXO UNIDIRECIONAL

ConcedidaInvention Patent

Application data

Number

PI8205261

Type

Invention Patent

Filing

08/09/1982

Publication

04/17/1984

Progress at the INPI

  1. Filing08/09/82
  2. Publication04/17/84
  3. Examination08/28/84
  4. Allowance08/20/85
  5. Grant04/29/86
  6. Terminated02/11/92

The patent was granted on 04/29/1986 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: 04/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Hydrometer Gmbh

DE

Inventors

E. L. (pessoa física)

DE

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/29/1986

RPI 810

Notificação para pagamento de retribuição

#13.1

12/24/1985

RPI 792

Deferimento

#9.1

08/20/1985

RPI 774

Exigência - art. 36 da LPI

#6.1

03/19/1985

RPI 752

Solicitação de exame técnico

#4.1

08/28/1984

RPI 723

Publicação do pedido de patente

#3.1

04/17/1984

RPI 704

Pedido de patente depositado

#2.1

10/26/1982

RPI 627

Anuidade - prazo legal encerrado

#18.2

02/11/1992

RPI 1106

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