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Official data from INPI

PROCESSO E MÁQUINA PARA A PRODUÇÃO DE TUBOS COM ALHETAS

Em AnáliseInvention Patent

Application data

Number

PI8701240

Type

Invention Patent

Filing

03/19/1987

Publication

12/22/1987

Progress at the INPI

  1. Filing03/19/87
  2. Publication12/22/87
  3. Examination04/12/88
  4. Allowance11/24/92
  5. Grant05/25/93
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 04/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Uponor N.V.

AU

Inventors

J. J. (pessoa física)

FI

Technical data

IPC Classification

Priority claims

FI

861172 · 03/20/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/12/1988

RPI 912

Publicação do pedido de patente

#3.1

12/22/1987

RPI 896

Pedido de patente depositado

#2.1

06/23/1987

RPI 870

Carta-patente expirada

#21.1

Patente extinta em 19/03/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

05/25/1993

RPI 1173

Notificação para pagamento de retribuição

#13.1

04/13/1993

RPI 1167

Deferimento

#9.1

11/24/1992

RPI 1147

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