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Official data from INPI

Dispositivo para tratamento retardado de material têxtil em seções alongadas.

ConcedidaInvention Patent

Application data

Number

PI8004877

Type

Invention Patent

Filing

08/04/1980

Publication

-

Progress at the INPI

  1. Filing08/04/80
  2. Publication
  3. Examination03/02/82
  4. Allowance09/18/84
  5. Grant03/26/85
  6. Expired09/19/95

The letters patent expired on 09/19/1995: 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: 03/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. K. (pessoa física)

DE

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Inventors

K. J. (pessoa física)

M. M. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 2931990.2-26 · 08/07/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

01/15/1985

RPI 743

Deferimento

#9.1

09/18/1984

RPI 726

Exigência - art. 36 da LPI

#6.1

11/22/1983

RPI 683

Solicitação de exame técnico

#4.1

03/02/1982

RPI 593

Carta-patente expirada

#21.1

09/19/1995

RPI 1294

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