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Official data from INPI

APARELHO DE COMBUSTÃO, EM PARTICULAR PARA GERADOR DE VAPOR

ConcedidaInvention Patent

Application data

Number

PI8105614

Type

Invention Patent

Filing

09/02/1981

Publication

05/18/1982

Progress at the INPI

  1. Filing09/02/81
  2. Publication05/18/82
  3. Examination02/14/84
  4. Allowance02/12/85
  5. Grant08/27/85
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 08/27/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STEIN INDUSTRIE

FR

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Inventors

J. V. (pessoa física)

FR

L. D. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

80 18 990 · 09/03/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/27/1985

RPI 775

Notificação para pagamento de retribuição

#13.1

05/28/1985

RPI 762

Deferimento

#9.1

02/12/1985

RPI 747

Exigência - art. 36 da LPI

#6.1

08/21/1984

RPI 722

Solicitação de exame técnico

#4.1

02/14/1984

RPI 695

Publicação do pedido de patente

#3.1

05/18/1982

RPI 604

Pedido de patente depositado

#2.1

10/20/1981

RPI 574

Carta-patente expirada

#21.1

Patente extinta em 02/09/96

08/19/2008

RPI 1963

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