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

INSTRUMENTO DE ESCREVER

Em AnáliseInvention Patent

Application data

Number

PI8606520

Type

Invention Patent

Filing

12/30/1986

Publication

10/20/1987

Progress at the INPI

  1. Filing12/30/86
  2. Publication10/20/87
  3. Examination02/09/88
  4. Allowance05/28/91
  5. Grant02/04/92
  6. Terminated10/03/95

The patent was granted on 02/04/1992 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: 02/09/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kotobuki & Co., Ltd.

JP

See this company's full portfolio

Inventors

S. K. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

60-204385 · 12/30/1985

JP

61-109562 · 07/16/1986

JP

61-153038 · 10/03/1986

JP

61-182940 · 11/27/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/09/1988

RPI 903

Publicação do pedido de patente

#3.1

10/20/1987

RPI 887

Pedido de patente depositado

#2.1

04/28/1987

RPI 862

Anuidade - prazo legal encerrado

#18.2

10/03/1995

RPI 1296

Concessão da patente

#16.1

02/04/1992

RPI 1105

Notificação para pagamento de retribuição

#13.1

09/10/1991

RPI 1084

Deferimento

#9.1

05/28/1991

RPI 1069

Conhecimento de parecer técnico

#7.1

09/25/1990

RPI 1034

6.5

03/13/1990

RPI 1009

6.2

01/09/1990

RPI 1001

Patent monitoring

Track this patent in real time.

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