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

BROCA DE PERFURAÇÃO.

ConcedidaInvention Patent

Application data

Number

PI8102042

Type

Invention Patent

Filing

04/03/1981

Publication

11/09/1982

Progress at the INPI

  1. Filing04/03/81
  2. Publication11/09/82
  3. Examination08/23/83
  4. Allowance11/13/84
  5. Grant05/28/85
  6. Expired10/01/96

The letters patent expired on 10/01/1996: 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: 05/28/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CBV Indústria Mecânica S A

RJ, BR

See this company's full portfolio

Inventors

M. D. (pessoa física)

M. M. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/28/1985

RPI 762

Republicação - classificação IPC

#15.11

05/07/1985

RPI 759

Notificação para pagamento de retribuição

#13.1

03/26/1985

RPI 753

Deferimento

#9.1

11/13/1984

RPI 734

Solicitação de exame técnico

#4.1

08/23/1983

RPI 670

Publicação do pedido de patente

#3.1

11/09/1982

RPI 629

Carta-patente expirada

#21.1

10/01/1996

RPI 1348

Patent monitoring

Track this patent in real time.

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