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Official data from INPI

PELÍCULA TERMOPLÁSTICA ESTAMPADA E PELÍCULA PARA FRALDA OU ABSORVENTE DE POLIETILENO TERMOPLÁSTICO ESTAMPADA.

ConcedidaInvention Patent

Application data

Number

PI8404922

Type

Invention Patent

Filing

09/28/1984

Publication

04/29/1986

Progress at the INPI

  1. Filing09/28/84
  2. Publication04/29/86
  3. Examination09/23/86
  4. Allowance03/07/89
  5. Grant11/28/89
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. C. (pessoa física)

US

Inventors

L. C. (pessoa física)

US

P. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

621.558 · 06/18/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

07/11/1989

RPI 977

Deferimento

#9.1

03/07/1989

RPI 959

Exigência - art. 36 da LPI

#6.1

08/16/1988

RPI 930

Solicitação de exame técnico

#4.1

09/23/1986

RPI 831

Publicação do pedido de patente

#3.1

04/29/1986

RPI 810

Pedido de patente depositado

#2.1

12/11/1984

RPI 738

Carta-patente expirada

#21.1

Patente extinta em 28/09/99

07/08/2008

RPI 1957

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