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Official data from INPI

FLUXÔMETRO TURBO-FOTOELÉTRICO PARA REGIMES CONTÍNUOS E PULSADOS.

ConcedidaUtility Model

Application data

Number

MU6100487

Type

Utility Model

Filing

04/14/1981

Publication

09/21/1982

Progress at the INPI

  1. Filing04/14/81
  2. Publication09/21/82
  3. Examination06/19/84
  4. Allowance07/14/87
  5. Grant04/26/88
  6. Expired12/07/93

The letters patent expired on 12/07/1993: 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: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. L. (pessoa física)

Inventors

W. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/26/1988

RPI 914

15.19

11/17/1987

RPI 891

Notificação para pagamento de retribuição

#13.1

11/10/1987

RPI 890

Retificação

#15.3

09/22/1987

RPI 883

Deferimento

#9.1

07/14/1987

RPI 873

Retificação

#15.6

04/22/1987

RPI 861

Alteração de numeração

#15.1

11/25/1986

RPI 840

8.1

07/01/1986

RPI 819

Exigência - art. 36 da LPI

#6.1

11/19/1985

RPI 787

Exigência - art. 36 da LPI

#6.1

01/15/1985

RPI 743

Solicitação de exame técnico

#4.1

06/19/1984

RPI 713

14.11

05/31/1983

RPI 658

14.1

03/15/1983

RPI 647

Publicação antecipada

#3.2

09/21/1982

RPI 622

14.1

11/10/1981

RPI 577

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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