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

Aperfeiçoamentos em cabeçote granulador.

ConcedidaInvention Patent

Application data

Number

PI8206444

Type

Invention Patent

Filing

11/08/1982

Publication

06/12/1984

Progress at the INPI

  1. Filing11/08/82
  2. Publication06/12/84
  3. Examination
  4. Allowance03/26/85
  5. Grant10/01/85
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 10/01/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pirelli Cabos S/A

SP, BR

See this company's full portfolio

Inventors

P. D. (pessoa física)

S. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/01/1985

RPI 780

Notificação para pagamento de retribuição

#13.1

07/09/1985

RPI 768

Deferimento

#9.1

03/26/1985

RPI 753

Publicação do pedido de patente

#3.1

06/12/1984

RPI 712

Carta-patente expirada

#21.1

Patente extinta em 08/11/97

07/01/2008

RPI 1956

20.4

08/18/1992

RPI 1133

Patent monitoring

Track this patent in real time.

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