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

MÁQUINA DE CONVERSÃO DE ENERGIA TENDO UM PAR DE ÊMBOLOS SEPARADAMENTO DE DUPLO EFEITO

Em AnáliseInvention PatentPCT · NO1987000074

Application data

Number

PI8707543

Type

Invention Patent

Filing

11/16/1987

Publication

03/14/1989

PCT

NO1987000074

Progress at the INPI

  1. Filing11/16/87
  2. Publication03/14/89
  3. Examination10/31/89
  4. Allowance02/18/92
  5. Grant11/24/92
  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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

3 D International A/S

NO

Inventors

T. L. (pessoa física)

NO

Technical data

IPC Classification

Priority claims

NO

864684 · 11/24/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/31/1989

RPI 993

Notificação de entrada na fase nacional - PCT

#1.3

03/14/1989

RPI 960

Carta-patente expirada

#21.1

Patente extinta em 16/11/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

11/24/1992

RPI 1147

Notificação para pagamento de retribuição

#13.1

07/07/1992

RPI 1127

Deferimento

#9.1

02/18/1992

RPI 1107

Exigência - art. 36 da LPI

#6.1

08/27/1991

RPI 1082

Patent monitoring

Track this patent in real time.

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