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

PROCESSO E APARELHO PARA TESTAR UM CABO DE AÇO, BEM COMO CABEÇOTE MAGNETIZADO PARA USO EM TAIS TESTES

PublicadaInvention Patent

Application data

Number

PI8701345

Type

Invention Patent

Filing

03/24/1987

Publication

12/29/1987

Progress at the INPI

  1. Filing03/24/87
  2. Publication12/29/87
  3. Examination01/09/90
  4. Allowance02/11/92
  5. Grant01/26/93
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 12/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Anglo American Corporation Of South Africa Limited

ZA

See this company's full portfolio

Inventors

N. W. (pessoa física)

ZA

Technical data

IPC Classification

Priority claims

ZA

86/2214 · 03/25/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/29/1987

RPI 897

Pedido de patente depositado

#2.1

07/07/1987

RPI 872

Carta-patente expirada

#21.1

Patente extinta em 24/03/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

01/26/1993

RPI 1156

Notificação para pagamento de retribuição

#13.1

07/28/1992

RPI 1130

Deferimento

#9.1

02/11/1992

RPI 1106

Solicitação de exame técnico

#4.1

01/09/1990

RPI 1001

Related

Same category

Patent monitoring

Track this patent in real time.

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