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

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI7909062

Type

Invention Patent

Filing

10/12/1979

Publication

-

Progress at the INPI

  1. Filing10/12/79
  2. Publication
  3. Examination04/20/82
  4. Allowance07/19/83
  5. Grant07/31/84
  6. Terminated04/26/94

The patent was granted on 07/31/1984 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: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Tecnowatt Iluminação Ltda

MG, BR

See this company's full portfolio

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

10/17/1989

RPI 991

Concessão da patente

#16.1

07/31/1984

RPI 719

Notificação para pagamento de retribuição

#13.1

06/12/1984

RPI 712

131

03/27/1984

RPI 701

Recurso

#12.1

11/22/1983

RPI 683

Deferimento

#9.1

07/19/1983

RPI 665

15.12

07/05/1983

RPI 663

Exigência - art. 36 da LPI

#6.1

02/08/1983

RPI 642

Solicitação de exame técnico

#4.1

04/20/1982

RPI 600

Anuidade - prazo legal encerrado

#18.2

04/26/1994

RPI 1221

Patent monitoring

Track this patent in real time.

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