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

DISPOSITIVO E PROCESSO PARA EFETUAR MICROPERFURAÇÕES SOBRE A SUPERFICIE DOS CILINDROS DE LAMINADORES.

ConcedidaInvention Patent

Application data

Number

PI8000222

Type

Invention Patent

Filing

01/14/1980

Publication

-

Progress at the INPI

  1. Filing01/14/80
  2. Publication
  3. Examination09/14/82
  4. Allowance06/26/84
  5. Grant10/29/85
  6. Expired05/16/95

The letters patent expired on 05/16/1995: 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: 10/29/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. M. (pessoa física)

Inventors

C. J. (pessoa física)

Technical data

IPC Classification

Priority claims

LU

80.792 · 01/15/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/29/1985

RPI 784

11.8

09/17/1985

RPI 778

Arquivamento - Art. 38 §2° da LPI

#11.4

06/11/1985

RPI 764

Notificação para pagamento de retribuição

#13.1

10/23/1984

RPI 731

Deferimento

#9.1

06/26/1984

RPI 714

Exigência - art. 36 da LPI

#6.1

11/01/1983

RPI 680

Solicitação de exame técnico

#4.1

09/14/1982

RPI 621

Carta-patente expirada

#21.1

05/16/1995

RPI 1276

Patent monitoring

Track this patent in real time.

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