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

Unidade de controle para retificadores de corrente.

Em AnáliseInvention Patent

Application data

Number

PI7906165

Type

Invention Patent

Filing

09/26/1979

Publication

-

Progress at the INPI

  1. Filing09/26/79
  2. Publication
  3. Examination05/18/82
  4. Allowance01/11/83
  5. Grant07/26/83
  6. Terminated06/24/86

The patent was granted on 07/26/1983 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: 06/24/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. A. (pessoa física)

DE

See this company's full portfolio

Inventors

B. R. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 28 42 278.8 · 09/28/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/24/1986

RPI 818

Cessão de direito de exploração

#22.1

06/04/1985

RPI 763

Concessão da patente

#16.1

07/26/1983

RPI 666

Notificação para pagamento de retribuição

#13.1

05/24/1983

RPI 657

Deferimento

#9.1

01/11/1983

RPI 638

Solicitação de exame técnico

#4.1

05/18/1982

RPI 604

Patent monitoring

Track this patent in real time.

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