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Official data from INPI

PROCESSO DE MODIFICAÇÃO DE CORPOS COMPOSTOS DE CERÂMICA POR UM PROCESSO DE CARBURAÇÃO E ARTIGOS ASSIM PRODUZIDOS

PublicadaInvention Patent

Application data

Number

PI8806735

Type

Invention Patent

Filing

12/20/1988

Publication

08/29/1989

Progress at the INPI

  1. Filing12/20/88
  2. Publication08/29/89
  3. Abandoned12/11/90
  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.

Talk to a specialist

Latest action published by the INPI: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Lanxide Technology Company, LP

US

See this company's full portfolio

Inventors

G. S. (pessoa física)

DE

T. C. (pessoa física)

US

Technical data

Priority claims

US

137,382 · 12/23/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/29/1989

RPI 984

Pedido de patente depositado

#2.1

04/25/1989

RPI 966

Republicação - classificação IPC

#15.11

02/12/1997

RPI 1367

Arquivamento - Art. 36 §1° da LPI

#11.2

11/05/1996

RPI 1353

Exigência - art. 36 da LPI

#6.1

12/12/1995

RPI 1306

Solicitação de exame técnico

#4.1

12/11/1990

RPI 1045

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