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

PROCESSO PARA TERMINAÇÃO DE FIBRAS ÓPTOCAS DE VIDRO.

ConcedidaInvention Patent

Application data

Number

PI8005473

Type

Invention Patent

Filing

08/28/1980

Publication

-

Progress at the INPI

  1. Filing08/28/80
  2. Publication
  3. Examination06/14/83
  4. Allowance02/14/84
  5. Grant08/28/84
  6. Expired09/26/95

The letters patent expired on 09/26/1995: 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: 08/28/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. I. (pessoa física)

US

Inventors

K. K. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

7930369 · 09/01/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

06/05/1984

RPI 711

Republicação - classificação IPC

#15.11

02/21/1984

RPI 696

Deferimento

#9.1

02/14/1984

RPI 695

Solicitação de exame técnico

#4.1

06/14/1983

RPI 660

Carta-patente expirada

#21.1

09/26/1995

RPI 1295

Patent monitoring

Track this patent in real time.

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