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Official data from INPI

APARELHO DE GRAVAÇÃO E REPRODUÇÃO MAGNÉTICA

Em AnáliseInvention Patent

Application data

Number

PI8801519

Type

Invention Patent

Filing

03/30/1988

Publication

02/21/1989

Progress at the INPI

  1. Filing03/30/88
  2. Publication02/21/89
  3. Examination10/31/89
  4. Allowance05/23/95
  5. Grant11/28/95
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. K. (pessoa física)

JP

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Inventors

H. N. (pessoa física)

JP

H. U. (pessoa física)

JP

K. O. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

198415/1987 · 08/07/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/31/1989

RPI 993

Publicação do pedido de patente

#3.1

02/21/1989

RPI 957

Carta-patente expirada

#21.1

Patente extinta em 30/03/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

11/28/1995

RPI 1304

Notificação para pagamento de retribuição

#13.1

10/03/1995

RPI 1296

Deferimento

#9.1

05/23/1995

RPI 1277

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