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

PROCESSO DE ELEVAÇÃO DE GÁS E APARELHO COM CONVERSÃO DE FASES.

Em AnáliseInvention Patent

Application data

Number

PI8000991

Type

Invention Patent

Filing

02/15/1980

Publication

-

Progress at the INPI

  1. Filing02/15/80
  2. Publication
  3. Examination07/06/82
  4. Allowance02/21/84
  5. Grant08/28/84
  6. Terminated06/21/88

The patent was granted on 08/28/1984 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. K. (pessoa física)

US

Inventors

K. A. (pessoa física)

Technical data

IPC Classification

Priority claims

US

13.893 · 02/22/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

06/12/1984

RPI 712

Deferimento

#9.1

02/21/1984

RPI 696

Exigência - art. 36 da LPI

#6.1

08/09/1983

RPI 668

Solicitação de exame técnico

#4.1

07/06/1982

RPI 611

Patent monitoring

Track this patent in real time.

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