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

PROCESSO DE LUBRIFICAÇÃO DE UMA SUPERFÍCIE COMO UM MOLDE PARA A FABRICAÇÃO DE UM OBJETO DE VIDRO.

Arquivada/ExtintaInvention Patent

Application data

Number

PI8706211

Type

Invention Patent

Filing

03/13/1987

Publication

02/23/1988

Progress at the INPI

  1. Filing03/13/87
  2. Publication02/23/88
  3. Examination01/09/90
  4. Allowance03/16/93
  5. Grant09/28/93
  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: 02/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Air Liquide Brasil S.A

SP, BR

See this company's full portfolio

Inventors

F. V. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

86/03733 · 03/17/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

02/23/1988

RPI 905

Carta-patente expirada

#21.1

Patente extinta em 13/03/2002

07/29/2008

RPI 1960

Alteração de nome deferida

#25.4

11/18/1997

RPI 1407

Concessão da patente

#16.1

09/28/1993

RPI 1191

Notificação para pagamento de retribuição

#13.1

07/06/1993

RPI 1179

Deferimento

#9.1

03/16/1993

RPI 1163

Solicitação de exame técnico

#4.1

01/09/1990

RPI 1001

Patent monitoring

Track this patent in real time.

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