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Official data from INPI

TRATAMENTO SUPERFICIAL DE CARCAÇAS METÁLICAS DE AQUECEDORES E CHUVEIROS

Arquivada/ExtintaUtility Model

Application data

Number

MU7002398

Type

Utility Model

Filing

11/08/1990

Publication

07/07/1992

Progress at the INPI

  1. Filing11/08/90
  2. Publication07/07/92
  3. Examination04/19/94
  4. Allowance09/15/98
  5. Grant01/26/99
  6. Expired08/26/08

The letters patent expired on 08/26/2008: 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: 10/05/2021. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. C. (pessoa física)

SP, BR

Inventors

J. C. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

Reclassificação automática - A classificação anterior era: B05B 15/00, F24H 1/10

10/05/2021

RPI 2648

Carta-patente expirada

#21.1

Patente extinta em 26/01/2006

08/26/2008

RPI 1964

Concessão da patente

#16.1

01/26/1999

RPI 1464

Deferimento

#9.1

09/15/1998

RPI 1447

Pedido de certificado de adição de invenção

#5.1

08/02/1994

RPI 1235

Solicitação de exame técnico

#4.1

04/19/1994

RPI 1220

Publicação do pedido de patente

#3.1

07/07/1992

RPI 1127

Pedido de patente depositado

#2.1

05/14/1991

RPI 1067

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