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

PROCESSO E APARELHO PARA A FUSAO DE VIDRO

ConcedidaInvention Patent
Talk to an expert

Application data

Number

PI8103450

Type

Invention Patent

Filing

06/16/1980

Publication

02/24/1982
View on INPI

Progress at the INPI

  1. Filing06/16/80
  2. Publication02/24/82
  3. Examination06/07/83
  4. Allowance07/09/85
  5. Grant12/31/85
  6. Terminated06/27/95

The patent was granted on 12/31/1985 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: 12/31/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PPG INDUSTRIES INC

See this company's full portfolio

Inventors

H. J. (pessoa física)

R. F. (pessoa física)

S. E. (pessoa física)

S. W. (pessoa física)

Technical data

IPC Classification

C03B 7/08

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/31/1985

RPI 793

Notificação para pagamento de retribuição

#13.1

11/12/1985

RPI 786

Deferimento

#9.1

07/09/1985

RPI 768

Exigência - art. 36 da LPI

#6.1

11/20/1984

RPI 735

Solicitação de exame técnico

#4.1

06/07/1983

RPI 659

Publicação do pedido de patente

#3.1

02/24/1982

RPI 592

Anuidade - prazo legal encerrado

#18.2

06/27/1995

RPI 1282

Related

Patent monitoring

Track this patent in real time.

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