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Official data from INPI

PROCESSO PARA PREPARAR POLIDISSILACICLOBUTASSILAZANAS E PROCESSO PARA PREPARAR UM MATERIAL CERÂMICO.

Prazo de SigiloInvention Patent

Application data

Number

PI8802786

Type

Invention Patent

Filing

06/08/1988

Publication

01/23/1990

Progress at the INPI

  1. Filing06/08/88
  2. Publication01/23/90
  3. Examination10/02/90
  4. Allowance11/03/93
  5. Abandoned
  6. In force

The application was allowed on 11/03/1993 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: 11/01/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. C. (pessoa física)

US

See this company's full portfolio

Inventors

G. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

059.717 · 06/08/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

11/01/1988

RPI 941

Arquivamento - Art. 38 §2° da LPI

#11.4

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

03/29/1994

RPI 1217

Notificação para pagamento de retribuição

#13.1

03/22/1994

RPI 1216

Deferimento

#9.1

11/03/1993

RPI 1196

Exigência - art. 36 da LPI

#6.1

05/04/1993

RPI 1170

Exigência - art. 36 da LPI

#6.1

04/28/1992

RPI 1117

Solicitação de exame técnico

#4.1

10/02/1990

RPI 1035

Publicação do pedido de patente

#3.1

01/23/1990

RPI 1003

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