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

COMPRESSOR VOLUMÉTRICO ALTERNATIVO COM ACIONAMENTO HIDRÁULICO

Em AnáliseInvention Patent

Application data

Number

PI8202149

Type

Invention Patent

Filing

04/14/1982

Publication

03/22/1983

Progress at the INPI

  1. Filing04/14/82
  2. Publication03/22/83
  3. Examination05/28/85
  4. Allowance04/22/86
  5. Grant12/30/86
  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: 01/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dedini S/A Metalúrgica

SP, BR

Inventors

F. Z. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

3419 A/81 · 04/30/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

01/19/1988

RPI 900

Concessão da patente

#16.1

12/30/1986

RPI 845

Deferimento

#9.1

04/22/1986

RPI 809

Solicitação de exame técnico

#4.1

05/28/1985

RPI 762

Publicação do pedido de patente

#3.1

03/22/1983

RPI 648

Pedido de patente depositado

#2.1

06/01/1982

RPI 606

Carta-patente expirada

#21.1

Patente extinta em 14/04/97

07/01/2008

RPI 1956

Patent monitoring

Track this patent in real time.

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