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Official data from INPI

CÁTODO A AR, MATERIAL EM FOLHA E PROCESSO PARA A FABRICAÇÃO DE UM CÁTODO A AR.

PublicadaInvention Patent

Application data

Number

PI8803364

Type

Invention Patent

Filing

07/06/1988

Publication

01/31/1989

Progress at the INPI

  1. Filing07/06/88
  2. Publication01/31/89
  3. Examination05/28/91
  4. Allowance08/24/93
  5. Abandoned
  6. In force

The application was allowed on 08/24/1993 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: 01/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alcan International Limited

CA

See this company's full portfolio

Inventors

W. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

070.183 · 07/06/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/31/1989

RPI 954

Pedido de patente depositado

#2.1

12/13/1988

RPI 947

Arquivamento - Art. 38 §2° da LPI

#11.4

06/07/1994

RPI 1227

Notificação para pagamento de retribuição

#13.1

02/08/1994

RPI 1210

Deferimento

#9.1

08/24/1993

RPI 1186

Solicitação de exame técnico

#4.1

05/28/1991

RPI 1069

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