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Official data from INPI

DISPOSITIVO PARA A ABERTURA DE VARIOS FARDOS DE FIBRAS TEXTEIS

ConcedidaInvention Patent

Application data

Number

PI7906588

Type

Invention Patent

Filing

11/02/1978

Publication

-

Progress at the INPI

  1. Filing11/02/78
  2. Publication
  3. Examination04/13/82
  4. Allowance03/27/84
  5. Grant09/25/84
  6. Expired04/25/95

The letters patent expired on 04/25/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 09/25/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TRUETZSCHLER & CO

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Inventors

L. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/25/1984

RPI 727

Deferimento

#9.1

03/27/1984

RPI 701

Exigência - art. 36 da LPI

#6.1

10/11/1983

RPI 677

6.2

01/18/1983

RPI 639

Solicitação de exame técnico

#4.1

04/13/1982

RPI 599

Carta-patente expirada

#21.1

04/25/1995

RPI 1273

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