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Official data from INPI

VÁLVULA RETENTORA PARA AQUECEDORES ELÉTRICOS

PublicadaUtility Model

Application data

Number

MU6702982

Type

Utility Model

Filing

11/16/1987

Publication

06/13/1989

Progress at the INPI

  1. Filing11/16/87
  2. Publication06/13/89
  3. Examination03/13/90
  4. Allowance07/26/94
  5. Grant12/31/96
  6. Expired09/18/01

The letters patent expired on 09/18/2001: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 06/13/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F.A.M.E. S/A Fábrica de Aparelhos e Material Elétrico

SP, BR

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Inventors

A. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

06/13/1989

RPI 973

Pedido de patente depositado

#2.1

03/01/1988

RPI 906

Carta-patente expirada

#21.1

Patente extinta em 16/11/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).

09/18/2001

RPI 1602

Concessão da patente

#16.1

12/31/1996

RPI 1361

Notificação para pagamento de retribuição

#13.1

06/18/1996

RPI 1333

107

04/16/1996

RPI 1324

120

09/26/1995

RPI 1295

Recurso

#12.1

10/04/1994

RPI 1244

Deferimento

#9.1

07/26/1994

RPI 1234

15.10

05/31/1994

RPI 1226

Conhecimento de parecer técnico

#7.1

10/19/1993

RPI 1194

Pedido de certificado de adição de invenção

#5.1

06/26/1990

RPI 1024

Solicitação de exame técnico

#4.1

03/13/1990

RPI 1009

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