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Official data from INPI

SOLO TÉRMICO

Em AnáliseInvention Patent

Application data

Number

PI8705084

Type

Invention Patent

Filing

08/20/1987

Publication

04/26/1988

Progress at the INPI

  1. Filing08/20/87
  2. Publication04/26/88
  3. Examination08/16/88
  4. Allowance01/02/96
  5. Grant09/24/96
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 08/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pirelli Cabos S/A

SP, BR

See this company's full portfolio

Inventors

G. A. (pessoa física)

BR

J. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/16/1988

RPI 930

Publicação antecipada

#3.2

04/26/1988

RPI 914

Pedido de patente depositado

#2.1

04/19/1988

RPI 913

Pedido de patente depositado

#2.1

01/05/1988

RPI 898

Carta-patente expirada

#21.1

Patente extinta em 20/08/2007

07/29/2008

RPI 1960

Concessão da patente

#16.1

09/24/1996

RPI 1347

Deferimento

#9.1

01/02/1996

RPI 1309

Conhecimento de parecer técnico

#7.1

03/14/1995

RPI 1267

Exigência - art. 36 da LPI

#6.1

11/30/1993

RPI 1200

14.4

02/16/1993

RPI 1159

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