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Official data from INPI

SISTEMA DE INTERLIGAÇÃO ENTRE A VÁLVULA DE SAÍDA DE PIA/BIDÊ E A TUBULAÇÃO DE ESGOTO SECUNDÁRIO

Em AnáliseInvention Patent

Application data

Number

PI8603155

Type

Invention Patent

Filing

07/07/1986

Publication

03/08/1988

Progress at the INPI

  1. Filing07/07/86
  2. Publication03/08/88
  3. Examination08/23/88
  4. Allowance10/02/90
  5. Grant06/25/91
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 08/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Tubos e Conexões Tigre Ltda

SC, BR

See this company's full portfolio

Inventors

D. C. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/23/1988

RPI 931

14.4

06/21/1988

RPI 922

Publicação do pedido de patente

#3.1

03/08/1988

RPI 907

Pedido de patente depositado

#2.1

01/13/1987

RPI 847

Carta-patente expirada

#21.1

Patente extinta em 07/07/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

06/25/1991

RPI 1073

Notificação para pagamento de retribuição

#13.1

01/15/1991

RPI 1050

Deferimento

#9.1

10/02/1990

RPI 1035

Exigência - art. 36 da LPI

#6.1

05/01/1990

RPI 1016

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