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Official data from INPI

FECHOS CORREDIÇOS TECIDOS.

ConcedidaInvention Patent

Application data

Number

PI8100724

Type

Invention Patent

Filing

02/06/1981

Publication

-

Progress at the INPI

  1. Filing02/06/81
  2. Publication
  3. Examination10/27/81
  4. Allowance12/16/86
  5. Grant08/25/87
  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: 08/25/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Y. C. (pessoa física)

JP

Y. K. (pessoa física)

JP

See this company's full portfolio

Inventors

M. S. (pessoa física)

N. T. (pessoa física)

Technical data

IPC Classification

Priority claims

JP

55-20015 · 02/20/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/25/1987

RPI 879

Notificação para pagamento de retribuição

#13.1

05/05/1987

RPI 863

Deferimento

#9.1

12/16/1986

RPI 843

Republicação - classificação IPC

#15.11

11/19/1985

RPI 787

Exigência - art. 36 da LPI

#6.1

09/24/1985

RPI 779

Exigência - art. 36 da LPI

#6.1

09/25/1984

RPI 727

Solicitação de exame técnico

#4.1

10/27/1981

RPI 575

Carta-patente expirada

#21.1

03/19/1996

RPI 1320

20.4

08/29/1995

RPI 1291

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