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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8102613

Type

Invention Patent

Filing

04/29/1981

Publication

-

Progress at the INPI

  1. Filing04/29/81
  2. Publication
  3. Examination
  4. Allowance10/23/84
  5. Grant05/28/85
  6. Expired10/01/96

The letters patent expired on 10/01/1996: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 07/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sansuy S/A. Indústria de Plásticos.

SP, BR

See this company's full portfolio

Inventors

T. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

07/29/1986

RPI 823

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

03/05/1985

RPI 750

Deferimento

#9.1

10/23/1984

RPI 731

Exigência - art. 36 da LPI

#6.1

07/10/1984

RPI 716

Exigência - art. 36 da LPI

#6.1

03/07/1984

RPI 698

Carta-patente expirada

#21.1

10/01/1996

RPI 1348

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