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Official data from INPI

PROCESSO PARA CARBURACAO E RECOZIMENTO NEUTRO EM RELACAO A CARBURACAO DE PECAS

ArquivadaInvention Patent
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Application data

Number

PI8106481

Type

Invention Patent

Filing

10/08/1980

Publication

06/22/1982
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Progress at the INPI

  1. Filing10/08/80
  2. Publication06/22/82
  3. Abandoned07/10/84
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/03/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LINDE AG [DE]

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Inventors

D. W. (pessoa física)

J. A. (pessoa física)

R. T. (pessoa física)

S. R. (pessoa física)

Technical data

IPC Classification

C21C 7/072C21D 1/76

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

05/03/1988

RPI 915

Exigência - art. 36 da LPI

#6.1

08/18/1987

RPI 878

Conhecimento de parecer técnico

#7.1

09/10/1985

RPI 777

Republicação - classificação IPC

#15.11

05/14/1985

RPI 760

Exigência - art. 36 da LPI

#6.1

01/08/1985

RPI 742

Solicitação de exame técnico

#4.1

07/10/1984

RPI 716

Publicação do pedido de patente

#3.1

06/22/1982

RPI 609

Pedido de patente depositado

#2.1

11/24/1981

RPI 579

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