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

DISPOSITIVO LUBRIFICADOR

Arquivada/ExtintaInvention Patent

Application data

Number

PI8905341

Type

Invention Patent

Filing

10/20/1989

Publication

05/22/1990

Progress at the INPI

  1. Filing10/20/89
  2. Publication05/22/90
  3. Examination08/11/92
  4. Allowance11/23/93
  5. Grant05/31/94
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. M. (pessoa física)

US

H. K. (pessoa física)

US

Inventors

G. B. (pessoa física)

US

R. R. (pessoa física)

US

R. E. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

271,017 · 11/14/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 20/10/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

05/31/1994

RPI 1226

Deferimento

#9.1

11/23/1993

RPI 1199

Solicitação de exame técnico

#4.1

08/11/1992

RPI 1132

Publicação do pedido de patente

#3.1

05/22/1990

RPI 1019

Pedido de patente depositado

#2.1

03/20/1990

RPI 1010

Patent monitoring

Track this patent in real time.

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