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Official data from INPI

PROCESSO DE BOLHA DE SOPRO PARA PROCESSAMENTO DE MATERIAL EXTRUTURADO; MATERIAL EXTRUTURADO; PRODUTO

ArquivadaInvention Patent

Application data

Number

PI8203761

Type

Invention Patent

Filing

06/28/1982

Publication

06/21/1983

Progress at the INPI

  1. Filing06/28/82
  2. Publication06/21/83
  3. Examination08/06/85
  4. Allowance12/29/87
  5. Abandoned
  6. In force

The application was allowed on 12/29/1987 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: 11/08/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W R Grace & Co

US

See this company's full portfolio

Inventors

J. S. (pessoa física)

US

W. M. (pessoa física)

US

Technical data

Priority claims

US

289.018 · 07/31/1981

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

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

6.5

12/16/1986

RPI 843

Solicitação de exame técnico

#4.1

08/06/1985

RPI 772

Publicação do pedido de patente

#3.1

06/21/1983

RPI 661

Pedido de patente depositado

#2.1

08/10/1982

RPI 616

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: B29D 23/03; B29C 47/06; B29C 47/20; B29C 47/94; B29C 55/28; B29C 61/00; C08J 7/00; C08J 7/04; B29C 47/08.

03/27/2018

RPI 2464

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