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

SEM TITULO

ConcedidaInvention Patent
Talk to an expert

Application data

Number

PI8107006

Type

Invention Patent

Filing

10/29/1981

Publication

04/12/1983
View on INPI

Progress at the INPI

  1. Filing10/29/81
  2. Publication04/12/83
  3. Examination04/02/85
  4. Allowance12/16/86
  5. Grant07/28/87
  6. Terminated09/20/94

The patent was granted on 07/28/1987 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: 07/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Doroy Mc Kee (Stockton) Limited

US

Inventors

B. C. (pessoa física)

B. F. (pessoa física)

C. J. (pessoa física)

G. W. (pessoa física)

H. H. (pessoa física)

K. P. (pessoa física)

W. (pessoa física)

Technical data

IPC Classification

C21B 13/08

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/28/1987

RPI 875

Notificação para pagamento de retribuição

#13.1

05/05/1987

RPI 863

Deferimento

#9.1

12/16/1986

RPI 843

Exigência - art. 36 da LPI

#6.1

03/04/1986

RPI 802

Solicitação de exame técnico

#4.1

04/02/1985

RPI 754

14.11

07/10/1984

RPI 716

14.1

05/02/1984

RPI 706

Publicação do pedido de patente

#3.1

04/12/1983

RPI 651

Pedido de patente depositado

#2.1

12/15/1981

RPI 582

Anuidade - prazo legal encerrado

#18.2

09/20/1994

RPI 1242

Related

From the same holder

SEM TITULO

Patent monitoring

Track this patent in real time.

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