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Official data from INPI

GRELHA E CALDEIRA DE COMBUSTÍVEL COM ELA MONTADA

Arquivada/ExtintaInvention Patent
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Application data

Number

PI9100153

Type

Invention Patent

Filing

01/15/1991

Publication

10/22/1991
View on INPI

Progress at the INPI

  1. Filing01/15/91
  2. Publication10/22/91
  3. Examination10/27/92
  4. Allowance10/10/95
  5. Grant08/27/96
  6. Expired06/22/10

The letters patent expired on 06/22/2010: 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: 06/22/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TESET A.G.

BE

Inventors

L. D. (pessoa física)

BE

Technical data

IPC Classification

F23H 9/04F23H 9/10

Priority claims

DE

P 40 00 973.4 · 01/16/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 15/01/2006

06/22/2010

RPI 2059

Concessão da patente

#16.1

08/27/1996

RPI 1343

Deferimento

#9.1

10/10/1995

RPI 1297

Exigência - art. 36 da LPI

#6.1

03/07/1995

RPI 1266

Exigência - art. 36 da LPI

#6.1

08/09/1994

RPI 1236

Solicitação de exame técnico

#4.1

10/27/1992

RPI 1143

Solicitação de exame não realizada

#4.2

06/02/1992

RPI 1122

Publicação do pedido de patente

#3.1

10/22/1991

RPI 1090

Pedido de patente depositado

#2.1

07/30/1991

RPI 1078

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