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Official data from INPI

GRANULADOS À BASE DE SÍLICA, PROCESSO DE PREPARAÇÃO DESTES GRANULADOS E PROCESSO PARA O REFORÇO DE ELASTÔMEROS.

PublicadaInvention Patent

Application data

Number

PI8703378

Type

Invention Patent

Filing

06/05/1987

Publication

03/15/1988

Progress at the INPI

  1. Filing06/05/87
  2. Publication03/15/88
  3. Examination08/28/90
  4. Allowance03/15/94
  5. Abandoned
  6. In force

The application was allowed on 03/15/1994 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 03/15/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhodia S/A

SP, BR

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Inventors

F. P. (pessoa física)

FR

M. D. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

86/08160 · 06/06/1986

FR

87/05502 · 04/17/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/15/1988

RPI 908

Pedido de patente depositado

#2.1

09/29/1987

RPI 884

Arquivamento - Art. 38 §2° da LPI

#11.4

12/27/1994

RPI 1256

Notificação para pagamento de retribuição

#13.1

06/28/1994

RPI 1230

Deferimento

#9.1

03/15/1994

RPI 1215

Exigência - art. 36 da LPI

#6.1

02/18/1992

RPI 1107

Solicitação de exame técnico

#4.1

08/28/1990

RPI 1030

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