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

MÁQUINA CENTRÍFUGA E DIFUSOR PARA A MESMA

ConcedidaInvention Patent

Application data

Number

PI8404441

Type

Invention Patent

Filing

09/05/1984

Publication

07/30/1985

Progress at the INPI

  1. Filing09/05/84
  2. Publication07/30/85
  3. Examination11/19/85
  4. Allowance08/11/87
  5. Grant12/29/87
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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

C. C. (pessoa física)

US

See this company's full portfolio

Inventors

H. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

531.019 · 09/12/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/29/1987

RPI 897

Deferimento

#9.1

08/11/1987

RPI 877

Exigência - art. 36 da LPI

#6.1

12/30/1986

RPI 845

Solicitação de exame técnico

#4.1

11/19/1985

RPI 787

Publicação do pedido de patente

#3.1

07/30/1985

RPI 771

Pedido de patente depositado

#2.1

11/13/1984

RPI 734

Carta-patente expirada

#21.1

Patente extinta em 05/09/99

07/08/2008

RPI 1957

Related

From the same holder

Patent monitoring

Track this patent in real time.

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