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

APARELHO PARA GERAR UMA SUPERFÍCIE SOBRE UMA PREFORMA DE LENTE; MÁQUINA PARA GERAR UMA SUPERFÍCIE DE LENTE; E FERRAMENTA ESMERILHADORA DE LENTES

PublicadaInvention Patent

Application data

Number

PI8706539

Type

Invention Patent

Filing

12/03/1987

Publication

07/12/1988

Progress at the INPI

  1. Filing12/03/87
  2. Publication07/12/88
  3. Examination09/11/90
  4. Allowance08/20/91
  5. Grant05/26/92
  6. Terminated10/24/95

The patent was granted on 05/26/1992 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Coburn Optical Industries, Inc.

US

Inventors

R. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

937251 · 12/03/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/12/1988

RPI 925

Pedido de patente depositado

#2.1

03/01/1988

RPI 906

Anuidade - prazo legal encerrado

#18.2

10/24/1995

RPI 1299

Concessão da patente

#16.1

05/26/1992

RPI 1121

Notificação para pagamento de retribuição

#13.1

12/17/1991

RPI 1098

Deferimento

#9.1

08/20/1991

RPI 1081

Solicitação de exame técnico

#4.1

09/11/1990

RPI 1032

Patent monitoring

Track this patent in real time.

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