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Official data from INPI

COMPOSICAO SOLIDA AMOLECEDORA DE TECIDO

ConcedidaInvention Patent

Application data

Number

PI7801253

Type

Invention Patent

Filing

03/02/1977

Publication

-

Progress at the INPI

  1. Filing03/02/77
  2. Publication
  3. Examination
  4. Allowance05/17/88
  5. Grant10/25/88
  6. Expired09/21/93

The letters patent expired on 09/21/1993: 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: 10/25/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNILEVER NV

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Inventors

P. G. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/25/1988

RPI 940

Notificação para pagamento de retribuição

#13.1

09/06/1988

RPI 933

Deferimento

#9.1

05/17/1988

RPI 917

Exigência - art. 36 da LPI

#6.1

08/18/1987

RPI 878

6.2

12/01/1981

RPI 580

Carta-patente expirada

#21.1

09/21/1993

RPI 1190

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