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Official data from INPI

APARELHO E AQUECEDOR DE COMBUSTAO DE PULSO

Em AnáliseInvention Patent

Application data

Number

PI7907450

Type

Invention Patent

Filing

11/15/1978

Publication

-

Progress at the INPI

  1. Filing11/15/78
  2. Publication
  3. Examination12/22/81
  4. Allowance03/27/84
  5. Grant10/30/84
  6. Expired05/02/95

The letters patent expired on 05/02/1995: 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: 05/06/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. J. (pessoa física)

Inventors

K. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

05/06/1986

RPI 811

Concessão da patente

#16.1

10/30/1984

RPI 732

Notificação para pagamento de retribuição

#13.1

07/17/1984

RPI 717

Deferimento

#9.1

03/27/1984

RPI 701

Exigência - art. 36 da LPI

#6.1

08/30/1983

RPI 671

Exigência - art. 36 da LPI

#6.1

06/29/1982

RPI 610

Solicitação de exame técnico

#4.1

12/22/1981

RPI 583

Carta-patente expirada

#21.1

05/02/1995

RPI 1274

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