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Official data from INPI

Processo para produzir um tecido de formação para ser usado em uma máquina de fabricação de papel.

ConcedidaInvention Patent

Application data

Number

PI7906749

Type

Invention Patent

Filing

10/19/1979

Publication

-

Progress at the INPI

  1. Filing10/19/79
  2. Publication
  3. Examination
  4. Allowance11/20/84
  5. Grant06/02/87
  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.

Talk to a specialist

Latest action published by the INPI: 06/02/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Albany International Corp.

US

See this company's full portfolio

Inventors

C. F. (pessoa física)

Technical data

IPC Classification

Priority claims

AU

4207978 · 11/30/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/02/1987

RPI 867

110

08/26/1986

RPI 827

Recurso

#12.1

03/05/1985

RPI 750

Deferimento

#9.1

11/20/1984

RPI 735

8.1

10/02/1984

RPI 728

Exigência - art. 36 da LPI

#6.1

04/24/1984

RPI 705

Exigência - art. 36 da LPI

#6.1

11/08/1983

RPI 681

Republicação - classificação IPC

#15.11

05/24/1983

RPI 657

Conhecimento de parecer técnico

#7.1

04/05/1983

RPI 650

Pedido de certificado de adição de invenção

#5.1

12/01/1981

RPI 580

Carta-patente expirada

#21.1

04/25/1995

RPI 1273

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