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Official data from INPI

CASSETE DE FITA DE VÍDEO PARA GRAVAÇÃO MAGNÉTICA.

PublicadaInvention Patent

Application data

Number

PI8605592

Type

Invention Patent

Filing

11/12/1986

Publication

08/18/1987

Progress at the INPI

  1. Filing11/12/86
  2. Publication08/18/87
  3. Examination02/13/90
  4. Allowance05/18/93
  5. Abandoned
  6. In force

The application was allowed on 05/18/1993 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: 08/18/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Minnesota Mining and Manufacturing Company

US

See this company's full portfolio

Inventors

D. T. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

797.433 · 11/13/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/18/1987

RPI 878

Pedido de patente depositado

#2.1

04/14/1987

RPI 860

Arquivamento - Art. 38 §2° da LPI

#11.4

03/29/1994

RPI 1217

Notificação para pagamento de retribuição

#13.1

09/28/1993

RPI 1191

Deferimento

#9.1

05/18/1993

RPI 1172

Solicitação de exame técnico

#4.1

02/13/1990

RPI 1006

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