(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

POS-QUEIMADOR VERTICAL DE CHAMA DIRETA

ConcedidaInvention Patent

Application data

Number

PI8002401

Type

Invention Patent

Filing

04/18/1980

Publication

12/08/1981

Progress at the INPI

  1. Filing04/18/80
  2. Publication12/08/81
  3. Examination11/29/83
  4. Allowance11/13/84
  5. Grant06/25/85
  6. Expired06/06/95

The letters patent expired on 06/06/1995: 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: 06/25/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ARAUJO J R & CIA

Inventors

D. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/25/1985

RPI 766

Notificação para pagamento de retribuição

#13.1

03/26/1985

RPI 753

Deferimento

#9.1

11/13/1984

RPI 734

Exigência - art. 36 da LPI

#6.1

05/08/1984

RPI 707

Solicitação de exame técnico

#4.1

11/29/1983

RPI 684

Publicação do pedido de patente

#3.1

12/08/1981

RPI 581

Carta-patente expirada

#21.1

06/06/1995

RPI 1279

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.