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Official data from INPI

AQUECEDOR SOLAR DE ÁGUA

Prazo de SigiloUtility Model

Application data

Number

MU6802724

Type

Utility Model

Filing

12/13/1988

Publication

08/07/1990

Progress at the INPI

  1. Filing12/13/88
  2. Publication08/07/90
  3. Examination01/08/91
  4. Allowance01/18/94
  5. Grant10/25/94
  6. Expired09/25/01

The letters patent expired on 09/25/2001: 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: 05/23/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNIPAC - Indústria e Comércio Ltda

SP, BR

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Inventors

V. O. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

05/23/1989

RPI 970

Republicação - classificação IPC

#15.11

A classificação anterior era: F24J 2/00

08/25/2015

RPI 2329

Carta-patente expirada

#21.1

Patente extinta em 13/12/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).

09/25/2001

RPI 1603

Concessão da patente

#16.1

10/25/1994

RPI 1247

Notificação para pagamento de retribuição

#13.1

05/10/1994

RPI 1223

Deferimento

#9.1

01/18/1994

RPI 1207

Solicitação de exame técnico

#4.1

01/08/1991

RPI 1049

Publicação do pedido de patente

#3.1

08/07/1990

RPI 1027

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