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Official data from INPI

FUSAO DE VIDRO DE CAMADA DELGADA E DE FLUXO DIRIGIDO

ArquivadaInvention Patent
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Application data

Number

PI8207734

Type

Invention Patent

Filing

06/04/1981

Publication

05/10/1983
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Progress at the INPI

  1. Filing06/04/81
  2. Publication05/10/83
  3. Examination02/12/85
  4. Allowance02/09/88
  5. Abandoned
  6. In force

The application was allowed on 02/09/1988 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

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Latest action published by the INPI: 11/08/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PQ CORP [US]

Inventors

A. [. (pessoa física)

B. [. (pessoa física)

P. [. (pessoa física)

Technical data

IPC Classification

C03B 5/225

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

11/08/1988

RPI 942

Notificação para pagamento de retribuição

#13.1

06/07/1988

RPI 920

Deferimento

#9.1

02/09/1988

RPI 903

Exigência - art. 36 da LPI

#6.1

08/25/1987

RPI 879

Conhecimento de parecer técnico

#7.1

07/22/1986

RPI 822

Exigência - art. 36 da LPI

#6.1

12/31/1985

RPI 793

Solicitação de exame técnico

#4.1

02/12/1985

RPI 747

Notificação de entrada na fase nacional - PCT

#1.3

05/10/1983

RPI 655

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