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Official data from INPI

AQUECEDOR ELÉTRICO DE ÁGUA

Em AnáliseInvention Patent

Application data

Number

PI8600505

Type

Invention Patent

Filing

01/29/1986

Publication

09/01/1987

Progress at the INPI

  1. Filing01/29/86
  2. Publication09/01/87
  3. Examination11/14/89
  4. Allowance05/08/90
  5. Grant06/29/93
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ARNO SA [BR]

See this company's full portfolio

Inventors

A. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/14/1989

RPI 995

Publicação do pedido de patente

#3.1

09/01/1987

RPI 880

Pedido de patente depositado

#2.1

07/29/1986

RPI 823

Carta-patente expirada

#21.1

Patente extinta em 29/01/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

06/29/1993

RPI 1178

Notificação para pagamento de retribuição

#13.1

03/30/1993

RPI 1165

110

01/26/1993

RPI 1156

Recurso

#12.1

09/04/1990

RPI 1031

Deferimento

#9.1

05/08/1990

RPI 1017

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