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

DISPOSITIVO DE SEPARAÇÃO DE ÁGUA E DE VAPOR À SAÍDA DE UMA CÂMARA DE VAPORIZAÇÃO DE UMA CALDEIRA A VAPOR DE RECIRCULAÇÃO

ConcedidaInvention Patent

Application data

Number

PI8102231

Type

Invention Patent

Filing

04/13/1981

Publication

11/24/1981

Progress at the INPI

  1. Filing04/13/81
  2. Publication11/24/81
  3. Examination01/10/84
  4. Allowance05/13/86
  5. Grant12/30/86
  6. Expired10/01/96

The letters patent expired on 10/01/1996: 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: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Framatome

FR

See this company's full portfolio

Inventors

Y. J. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

80-08734 · 04/18/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

09/02/1986

RPI 828

Deferimento

#9.1

05/13/1986

RPI 812

Republicação - classificação IPC

#15.11

01/08/1985

RPI 742

Exigência - art. 36 da LPI

#6.1

06/19/1984

RPI 713

Solicitação de exame técnico

#4.1

01/10/1984

RPI 690

Publicação do pedido de patente

#3.1

11/24/1981

RPI 579

Carta-patente expirada

#21.1

10/01/1996

RPI 1348

Related

From the same holder

Patent monitoring

Track this patent in real time.

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