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

DISPOSITIVO PARA COMPENSAR A EXPANSAO VOLUMETRICA DE SAIS DE URANIO DURANTE SUA FORMACAO NAS REACOES QUIMICAS

Em AnáliseInvention Patent

Application data

Number

PI8002050

Type

Invention Patent

Filing

04/02/1980

Publication

10/06/1981

Progress at the INPI

  1. Filing04/02/80
  2. Publication10/06/81
  3. Examination01/18/83
  4. Allowance09/18/84
  5. Grant05/28/85
  6. Terminated05/16/89

The patent was granted on 05/28/1985 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: 05/16/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IPEN SAO PAULO INST PESQUISAS [BR]

See this company's full portfolio

Inventors

J. F. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/16/1989

RPI 969

Cessão de direito de exploração

#22.1

11/26/1985

RPI 788

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

01/15/1985

RPI 743

Deferimento

#9.1

09/18/1984

RPI 726

Exigência - art. 36 da LPI

#6.1

03/27/1984

RPI 701

7.2

03/27/1984

RPI 701

Conhecimento de parecer técnico

#7.1

11/16/1983

RPI 682

Solicitação de exame técnico

#4.1

01/18/1983

RPI 639

Solicitação de exame não realizada

#4.2

06/29/1982

RPI 610

Publicação do pedido de patente

#3.1

10/06/1981

RPI 572

Patent monitoring

Track this patent in real time.

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