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Official data from INPI

PROCESSO DE REFINO DE MATERIAIS VÍTREOS OU SIMILARES

Em AnáliseInvention Patent

Application data

Number

PI8703392

Type

Invention Patent

Filing

07/03/1987

Publication

03/22/1988

Progress at the INPI

  1. Filing07/03/87
  2. Publication03/22/88
  3. Examination12/13/88
  4. Allowance08/24/93
  5. Abandoned
  6. In force

The application was allowed on 08/24/1993 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 12/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PPG Industries Inc

US

See this company's full portfolio

Inventors

W. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/13/1988

RPI 947

Publicação do pedido de patente

#3.1

03/22/1988

RPI 909

Pedido de patente depositado

#2.1

09/01/1987

RPI 880

Arquivamento - Art. 38 §2° da LPI

#11.4

06/07/1994

RPI 1227

Notificação para pagamento de retribuição

#13.1

02/08/1994

RPI 1210

Deferimento

#9.1

08/24/1993

RPI 1186

Exigência - art. 36 da LPI

#6.1

01/19/1993

RPI 1155

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