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Official data from INPI

PROCESSO PARA A NITRAÇÃO DE PEÇAS DE TRABALHO DE AÇO SOB PRESSÃO

ArquivadaInvention Patent

Application data

Number

PI9101780

Type

Invention Patent

Filing

05/03/1991

Publication

06/23/1992

Progress at the INPI

  1. Filing05/03/91
  2. Publication06/23/92
  3. Examination09/14/93
  4. Allowance12/01/98
  5. Abandoned
  6. In force

The application was allowed on 12/01/1998 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: 04/11/2000. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. A. (pessoa física)

DE

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Inventors

D. P. (pessoa física)

DE

D. S. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 40 36 381.3 · 11/15/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

Arquivamento - Artigo 38 & 2º da LPI.

04/11/2000

RPI 1527

Deferimento

#9.1

12/01/1998

RPI 1456

Solicitação de exame técnico

#4.1

09/14/1993

RPI 1189

Publicação do pedido de patente

#3.1

06/23/1992

RPI 1125

Pedido de patente depositado

#2.1

02/25/1992

RPI 1108

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