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Official data from INPI

PROCESSO PARA FABRICAR MATERIAIS DE VIDRO LIQUEFEITO DE BATELADA.

Em ExigênciaInvention Patent

Application data

Number

PI8403661

Type

Invention Patent

Filing

07/23/1984

Publication

07/02/1985

Progress at the INPI

  1. Filing07/23/84
  2. Publication07/02/85
  3. Examination08/11/87
  4. Allowance04/24/90
  5. Grant10/30/90
  6. Terminated05/07/96

The patent was granted on 10/30/1990 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: 08/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PPG Industries, Inc.

US

See this company's full portfolio

Inventors

G. K. (pessoa física)

US

H. J. (pessoa física)

J. M. (pessoa física)

US

Technical data

Priority claims

US

516.817 · 07/25/1983

US

519.949 · 08/03/1983

US

519.950 · 08/03/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

08/08/1989

RPI 981

6.2

07/26/1988

RPI 927

Solicitação de exame técnico

#4.1

08/11/1987

RPI 877

Publicação do pedido de patente

#3.1

07/02/1985

RPI 767

Pedido de patente depositado

#2.1

10/02/1984

RPI 728

Anuidade - prazo legal encerrado

#18.2

05/07/1996

RPI 1327

Republicação - classificação IPC

#15.11

09/03/1991

RPI 1083

Concessão da patente

#16.1

10/30/1990

RPI 1039

Notificação para pagamento de retribuição

#13.1

08/21/1990

RPI 1029

Deferimento

#9.1

04/24/1990

RPI 1015

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