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

CILINDRO MESTRE

PublicadaInvention Patent

Application data

Number

PI8806394

Type

Invention Patent

Filing

12/05/1988

Publication

08/22/1989

Progress at the INPI

  1. Filing12/05/88
  2. Publication08/22/89
  3. Examination08/20/91
  4. Allowance11/17/92
  5. Grant05/25/93
  6. Terminated10/24/95

The patent was granted on 05/25/1993 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/22/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Grau Limited

GB

Lucas Industries Public Limited Company.

GB

See this company's full portfolio

Inventors

P. C. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8728519 · 12/05/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/22/1989

RPI 983

Pedido de patente depositado

#2.1

04/18/1989

RPI 965

Anuidade - prazo legal encerrado

#18.2

10/24/1995

RPI 1299

Concessão da patente

#16.1

05/25/1993

RPI 1173

Notificação para pagamento de retribuição

#13.1

04/06/1993

RPI 1166

Deferimento

#9.1

11/17/1992

RPI 1146

Solicitação de exame técnico

#4.1

08/20/1991

RPI 1081

Patent monitoring

Track this patent in real time.

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