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

MICROSCOPIO DE ILUMINACAO EM MODALIDADE DE CONSTRUCAO INVERTIDA

Em AnáliseInvention Patent

Application data

Number

PI7705230

Type

Invention Patent

Filing

09/11/1976

Publication

-

Progress at the INPI

  1. Filing09/11/76
  2. Publication
  3. Examination
  4. Allowance08/24/82
  5. Grant03/29/83
  6. Terminated12/15/87

The patent was granted on 03/29/1983 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: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Z. C. (pessoa física)

Inventors

K. W. (pessoa física)

M. M. (pessoa física)

M. F. (pessoa física)

W. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

Concessão da patente

#16.1

03/29/1983

RPI 649

Notificação para pagamento de retribuição

#13.1

01/11/1983

RPI 638

Deferimento

#9.1

08/24/1982

RPI 618

Exigência - art. 36 da LPI

#6.1

01/26/1982

RPI 588

Patent monitoring

Track this patent in real time.

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