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

CRIOSTATOS PARA DETECTORES DE FOTONS

Em AnáliseInvention Patent

Application data

Number

PI8003868

Type

Invention Patent

Filing

06/21/1979

Publication

-

Progress at the INPI

  1. Filing06/21/79
  2. Publication
  3. Examination
  4. Allowance05/31/83
  5. Grant12/27/83
  6. Terminated09/26/89

The patent was granted on 12/27/1983 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PETROLEUM RES & DEV CORP

See this company's full portfolio

Inventors

A. R. (pessoa física)

J. S. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/26/1989

RPI 988

Concessão da patente

#16.1

12/27/1983

RPI 688

Notificação para pagamento de retribuição

#13.1

09/27/1983

RPI 675

Deferimento

#9.1

05/31/1983

RPI 658

Exigência - art. 36 da LPI

#6.1

10/19/1982

RPI 626

Patent monitoring

Track this patent in real time.

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