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Official data from INPI

SOLUÇÕES CONFORMÁVEIS E FIOS, FILAMENTOS E FIBRAS À BASE DE CELULOSE E POLÍMERO ACRÍLICO

ConcedidaInvention Patent

Application data

Number

PI8002939

Type

Invention Patent

Filing

05/09/1980

Publication

-

Progress at the INPI

  1. Filing05/09/80
  2. Publication
  3. Examination01/25/83
  4. Allowance02/08/89
  5. Grant08/29/89
  6. Expired06/13/95

The letters patent expired on 06/13/1995: 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. T. (pessoa física)

FR

See this company's full portfolio

Inventors

H. R. (pessoa física)

FR

J. M. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

79/12383 · 05/14/1979

FR

80/05963 · 03/13/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

06/06/1989

RPI 972

Deferimento

#9.1

02/08/1989

RPI 955

14.7

11/11/1986

RPI 838

14.7

11/04/1986

RPI 837

Exigência - art. 36 da LPI

#6.1

06/04/1985

RPI 763

Republicação - classificação IPC

#15.11

10/02/1984

RPI 728

Exigência - art. 36 da LPI

#6.1

07/10/1984

RPI 716

Exigência - art. 36 da LPI

#6.1

01/31/1984

RPI 693

Solicitação de exame técnico

#4.1

01/25/1983

RPI 640

Carta-patente expirada

#21.1

06/13/1995

RPI 1280

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