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Official data from INPI

DISPOSITIVO DE INSPENÇÃO E LIMPEZA DE ESGOTOS

Em AnáliseUtility Model

Application data

Number

MU6600395

Type

Utility Model

Filing

03/24/1986

Publication

11/03/1987

Progress at the INPI

  1. Filing03/24/86
  2. Publication11/03/87
  3. Examination02/09/88
  4. Allowance06/06/89
  5. Grant02/06/90
  6. Expired03/26/96

The letters patent expired on 03/26/1996: 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Tubos e Conexões Tigre Ltda, sociedade brasileira

SC, BR

Inventors

W. P. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

10/03/1989

RPI 989

Deferimento

#9.1

06/06/1989

RPI 972

Exigência - art. 36 da LPI

#6.1

01/17/1989

RPI 952

14.4

06/21/1988

RPI 922

Solicitação de exame técnico

#4.1

02/09/1988

RPI 903

Publicação do pedido de patente

#3.1

11/03/1987

RPI 889

Pedido de patente depositado

#2.1

08/26/1986

RPI 827

Carta-patente expirada

#21.1

03/26/1996

RPI 1321

Concessão da patente

#16.1

02/06/1990

RPI 1005

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