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Official data from INPI

APERFEIÇOAMENTOS EM AQUECEDORES, DUCHAS E TORNEIRAS ELÉTRICAS DO TIPO INSTANTÂNEO

Prazo de SigiloInvention Patent

Application data

Number

PI8901254

Type

Invention Patent

Filing

03/20/1989

Publication

11/13/1990

Progress at the INPI

  1. Filing03/20/89
  2. Publication11/13/90
  3. Examination03/19/91
  4. Refused05/16/95
  5. Grant
  6. In force

The application was refused on 05/16/1995 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/09/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Produtos Elétricos Corona Ltda

SP, BR

See this company's full portfolio

Inventors

H. T. (pessoa física)

BR

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

05/09/1989

RPI 968

Republicação - classificação IPC

#15.11

12/15/2009

RPI 2032

111

05/16/1995

RPI 1276

Petição de recurso

#12.2

11/29/1994

RPI 1252

Indeferimento

#9.2

07/26/1994

RPI 1234

Conhecimento de parecer técnico

#7.1

01/18/1994

RPI 1207

Pedido de certificado de adição de invenção

#5.1

06/25/1991

RPI 1073

Solicitação de exame técnico

#4.1

03/19/1991

RPI 1059

Publicação do pedido de patente

#3.1

11/13/1990

RPI 1041

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