Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Talk to an expert

Application data

Number

PI8300300

Type

Invention Patent

Filing

01/21/1983

Publication

10/25/1983

View on INPI

Progress at the INPI

Filing01/21/83
Publication10/25/83
Examination02/04/86
Allowance03/31/87
Grant09/29/87
Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Saint_ Gobain Vitrage

See this company's full portfolio

Inventors

C. H. (pessoa física)

G. H. (pessoa física)

H. H. (pessoa física)

H. R. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/29/1987

RPI 884

Notificação para pagamento de retribuição

#13.1

08/11/1987

RPI 877

Deferimento

#9.1

03/31/1987

RPI 858

Solicitação de exame técnico

#4.1

02/04/1986

RPI 798

Publicação do pedido de patente

#3.1

10/25/1983

RPI 679

Pedido de patente depositado

#2.1

03/08/1983

RPI 646

Carta-patente expirada

#21.1

Patente extinta em 21/01/98

07/01/2008

RPI 1956

From the same holder

SEM TITULO SEM TITULO

Patent monitoring

Track this patent in real time.

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