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Official data from INPI

TUBO TURBULADOR

Prazo de SigiloInvention Patent

Application data

Number

PI8900638

Type

Invention Patent

Filing

02/13/1989

Publication

10/02/1990

Progress at the INPI

  1. Filing02/13/89
  2. Publication10/02/90
  3. Examination01/22/91
  4. Allowance12/01/92
  5. Grant06/29/93
  6. Expired12/15/09

The letters patent expired on 12/15/2009: 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: 03/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

RCN Radiadores S/A

SP, BR

Inventors

R. D. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

03/28/1989

RPI 962

Carta-patente expirada

#21.1

Patente extinta em 13/02/2004

12/15/2009

RPI 2032

Concessão da patente

#16.1

06/29/1993

RPI 1178

Notificação para pagamento de retribuição

#13.1

04/20/1993

RPI 1168

Deferimento

#9.1

12/01/1992

RPI 1148

Exigência - art. 36 da LPI

#6.1

04/21/1992

RPI 1116

Solicitação de exame técnico

#4.1

01/22/1991

RPI 1051

Publicação do pedido de patente

#3.1

10/02/1990

RPI 1035

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