Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Talk to an expert

Application data

Number

PI8306840

Type

Invention Patent

Filing

12/12/1983

Publication

07/24/1984

View on INPI

Progress at the INPI

Filing12/12/83
Publication07/24/84
Examination04/09/85
Allowance08/26/86
Grant06/02/87
Terminated04/23/96

The patent was granted on 06/02/1987 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: 06/02/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. K. (pessoa física)

See this company's full portfolio

Inventors

A. T. (pessoa física)

K. K. (pessoa física)

S. Y. (pessoa física)

Technical data

IPC Classification

C10G 9/36

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/02/1987

RPI 867

Notificação para pagamento de retribuição

#13.1

12/09/1986

RPI 842

Deferimento

#9.1

08/26/1986

RPI 827

Exigência - art. 36 da LPI

#6.1

12/31/1985

RPI 793

Pedido de certificado de adição de invenção

#5.1

09/10/1985

RPI 777

Solicitação de exame técnico

#4.1

04/09/1985

RPI 755

Publicação do pedido de patente

#3.1

07/24/1984

RPI 718

Pedido de patente depositado

#2.1

02/21/1984

RPI 696

Anuidade - prazo legal encerrado

#18.2

04/23/1996

RPI 1325

Patent monitoring

Track this patent in real time.

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

Talk to an expert