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Official data from INPI

PROCESSO DE MAXIMIZAR A VELOCIDADE DE CORTE DE VIDRO DE VARIAS ESPESSURAS, AO LONGO DE UM PERCURSO DESEJADO

Em ExigênciaInvention Patent

Application data

Number

PI8504669

Type

Invention Patent

Filing

09/24/1985

Publication

07/15/1986

Progress at the INPI

  1. Filing09/24/85
  2. Publication07/15/86
  3. Examination07/19/88
  4. Allowance09/10/91
  5. Grant04/28/92
  6. Terminated08/08/95

The patent was granted on 04/28/1992 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: 06/13/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Libbey-Owens-Ford Company

US

See this company's full portfolio

Inventors

E. A. (pessoa física)

US

R. H. (pessoa física)

US

T. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

654.975 · 09/27/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

6.2

06/13/1989

RPI 973

Solicitação de exame técnico

#4.1

07/19/1988

RPI 926

Publicação do pedido de patente

#3.1

07/15/1986

RPI 821

Pedido de patente depositado

#2.1

12/03/1985

RPI 789

Anuidade - prazo legal encerrado

#18.2

08/08/1995

RPI 1288

Concessão da patente

#16.1

04/28/1992

RPI 1117

Deferimento

#9.1

09/10/1991

RPI 1084

Exigência - art. 36 da LPI

#6.1

04/30/1991

RPI 1065

Exigência - art. 36 da LPI

#6.1

11/13/1990

RPI 1041

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