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Official data from INPI

ALÇA PARA TAMPAS METÁLICAS E PROCESSO DE FIXAÇÃO DE ALÇAS EM TAMPAS METÁLICAS

Prazo de SigiloInvention Patent

Application data

Number

PI8904018

Type

Invention Patent

Filing

08/03/1989

Publication

02/05/1991

Progress at the INPI

  1. Filing08/03/89
  2. Publication02/05/91
  3. Examination10/08/91
  4. Allowance11/21/95
  5. Grant03/25/97
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rheem Empreendimentos Industriais e Comerciais S/A

RJ, BR

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Inventors

J. P. (pessoa física)

BR

M. A. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

11/28/1989

RPI 997

Carta-patente expirada

#21.1

Patente extinta em 03/08/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

03/25/1997

RPI 1373

Notificação para pagamento de retribuição

#13.1

06/18/1996

RPI 1333

Deferimento

#9.1

11/21/1995

RPI 1303

Solicitação de exame técnico

#4.1

10/08/1991

RPI 1088

Publicação do pedido de patente

#3.1

02/05/1991

RPI 1053

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