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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8008922

Type

Invention Patent

Filing

05/30/1980

Publication

10/20/1981

Progress at the INPI

  1. Filing05/30/80
  2. Publication10/20/81
  3. Examination05/03/83
  4. Allowance08/21/84
  5. Grant01/29/85
  6. Expired11/21/95

The letters patent expired on 11/21/1995: 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: 01/29/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Y. K. (pessoa física)

JP

Inventors

Y. K. (pessoa física)

Technical data

Priority claims

JP

69676/79 · 06/04/1979

JP

80/00117 · 05/30/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/29/1985

RPI 745

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Deferimento

#9.1

08/21/1984

RPI 722

Exigência - art. 36 da LPI

#6.1

02/14/1984

RPI 695

Solicitação de exame técnico

#4.1

05/03/1983

RPI 654

Notificação de entrada na fase nacional - PCT

#1.3

10/20/1981

RPI 574

Carta-patente expirada

#21.1

11/21/1995

RPI 1303

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