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Official data from INPI

Tecido de comformação para uso em máquinas de produção de papel, celulose ou semelhantes.

ConcedidaInvention Patent

Application data

Number

PI7903629

Type

Invention Patent

Filing

06/07/1979

Publication

-

Progress at the INPI

  1. Filing06/07/79
  2. Publication
  3. Examination
  4. Allowance01/03/84
  5. Grant06/26/84
  6. Expired04/04/95

The letters patent expired on 04/04/1995: 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: 06/26/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Albany International Corp.

US

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Inventors

C. F. (pessoa física)

J. A. (pessoa física)

Technical data

IPC Classification

Priority claims

SE

78067642 · 06/12/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/26/1984

RPI 714

Notificação para pagamento de retribuição

#13.1

04/24/1984

RPI 705

Deferimento

#9.1

01/03/1984

RPI 689

Conhecimento de parecer técnico

#7.1

11/30/1982

RPI 632

6.2

03/30/1982

RPI 597

Carta-patente expirada

#21.1

04/04/1995

RPI 1270

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