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Official data from INPI

FECHO CORREDIÇO.

ConcedidaInvention Patent

Application data

Number

PI8008262

Type

Invention Patent

Filing

12/17/1980

Publication

-

Progress at the INPI

  1. Filing12/17/80
  2. Publication
  3. Examination
  4. Allowance10/25/83
  5. Grant04/24/84
  6. Expired03/19/96

The letters patent expired on 03/19/1996: 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: 04/24/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Y. C. (pessoa física)

JP

Y. K. (pessoa física)

JP

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Inventors

T. F. (pessoa física)

Technical data

IPC Classification

Priority claims

JP

54-185262 · 12/26/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

02/07/1984

RPI 694

Deferimento

#9.1

10/25/1983

RPI 679

Conhecimento de parecer técnico

#7.1

04/05/1983

RPI 650

Carta-patente expirada

#21.1

03/19/1996

RPI 1320

20.4

08/29/1995

RPI 1291

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