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Official data from INPI

PROCESSO PARA ESTABILIZACAO DE LACAS DE ESTUFA DE EFEITO DE METAL

ConcedidaInvention Patent

Application data

Number

PI7808627

Type

Invention Patent

Filing

12/30/1977

Publication

-

Progress at the INPI

  1. Filing12/30/77
  2. Publication
  3. Examination
  4. Allowance02/09/88
  5. Grant07/26/88
  6. Expired05/24/94

The letters patent expired on 05/24/1994: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CIBA GEIGY AG

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Inventors

B. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1988

RPI 927

Deferimento

#9.1

02/09/1988

RPI 903

Exigência - art. 36 da LPI

#6.1

09/22/1987

RPI 883

6.5

08/30/1983

RPI 671

6.2

01/05/1982

RPI 585

Carta-patente expirada

#21.1

05/24/1994

RPI 1225

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