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

PROCESSO DE REGULAGEM DE PRESSÃO DO CIRCUITO PRIMÁRIO DE UM REATOR NUCLEAR A ÁGUA SOB PRESSÃO

ConcedidaInvention Patent

Application data

Number

PI8102757

Type

Invention Patent

Filing

05/06/1981

Publication

01/26/1982

Progress at the INPI

  1. Filing05/06/81
  2. Publication01/26/82
  3. Examination03/13/84
  4. Allowance10/09/84
  5. Grant04/30/85
  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: 04/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Framatome

FR

Framatome.

FR

See this company's full portfolio

Inventors

R. P. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

80-10874 · 05/14/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/30/1985

RPI 758

Republicação - classificação IPC

#15.11

12/18/1984

RPI 739

Deferimento

#9.1

10/09/1984

RPI 729

Solicitação de exame técnico

#4.1

03/13/1984

RPI 699

Publicação do pedido de patente

#3.1

01/26/1982

RPI 588

Carta-patente expirada

#21.1

10/01/1996

RPI 1348

Related

From the same holder

Same category

Patent monitoring

Track this patent in real time.

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