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Official data from INPI

BLOQUEADOR ANTI-GASES E ROEDORES APLICÁVEL A TUBULAÇÕES DE VASOS SANITÁRIOS

Prazo de SigiloInvention Patent

Application data

Number

PI8803966

Type

Invention Patent

Filing

07/15/1988

Publication

03/20/1990

Progress at the INPI

  1. Filing07/15/88
  2. Publication03/20/90
  3. Examination09/25/90
  4. Allowance05/12/92
  5. Grant04/27/93
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 02/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. S. (pessoa física)

SP, BR

Inventors

P. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

02/14/1989

RPI 956

Carta-patente expirada

#21.1

Patente extinta em 15/07/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

04/27/1993

RPI 1169

Notificação para pagamento de retribuição

#13.1

10/06/1992

RPI 1140

Deferimento

#9.1

05/12/1992

RPI 1119

Solicitação de exame técnico

#4.1

09/25/1990

RPI 1034

Publicação do pedido de patente

#3.1

03/20/1990

RPI 1010

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