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

GERADOR DE VAPOR; DISPOSITIVO DE CONTROLE DE PRESSÃO

ConcedidaInvention Patent

Application data

Number

PI8301027

Type

Invention Patent

Filing

03/03/1983

Publication

11/22/1983

Progress at the INPI

  1. Filing03/03/83
  2. Publication11/22/83
  3. Examination10/08/85
  4. Allowance06/23/87
  5. Grant12/29/87
  6. Terminated10/02/90

The patent was granted on 12/29/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Phillips Petroleum Company

US

See this company's full portfolio

Inventors

S. M. (pessoa física)

T. E. (pessoa física)

Technical data

IPC Classification

Priority claims

US

354.565 · 03/04/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/29/1987

RPI 897

Notificação para pagamento de retribuição

#13.1

10/20/1987

RPI 887

Deferimento

#9.1

06/23/1987

RPI 870

Exigência - art. 36 da LPI

#6.1

08/26/1986

RPI 827

Solicitação de exame técnico

#4.1

10/08/1985

RPI 781

Publicação do pedido de patente

#3.1

11/22/1983

RPI 683

Pedido de patente depositado

#2.1

04/19/1983

RPI 652

Anuidade - prazo legal encerrado

#18.2

10/02/1990

RPI 1035

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.