(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

CARTUCHO DE FITA MAGNÉTICA COMPATÍVEL COM DISK DRIVE.

PublicadaInvention Patent

Application data

Number

PI8606434

Type

Invention Patent

Filing

12/24/1986

Publication

10/20/1987

Progress at the INPI

  1. Filing12/24/86
  2. Publication10/20/87
  3. Examination06/26/90
  4. Allowance09/21/93
  5. Grant04/26/94
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 10/20/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Hewlett-Packard Company

US

S. C. (pessoa física)

JP

See this company's full portfolio

Inventors

B. S. (pessoa física)

US

C. M. (pessoa física)

US

G. C. (pessoa física)

US

R. H. (pessoa física)

US

T. O. (pessoa física)

JP

Technical data

Priority claims

JP

60-199944 · 12/28/1985

JP

60-293526 · 12/28/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/20/1987

RPI 887

Pedido de patente depositado

#2.1

04/28/1987

RPI 862

Carta-patente expirada

#21.1

Patente extinta em 24/12/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

04/26/1994

RPI 1221

Deferimento

#9.1

09/21/1993

RPI 1190

Republicação - classificação IPC

#15.11

06/01/1993

RPI 1174

Exigência - art. 36 da LPI

#6.1

03/23/1993

RPI 1164

Solicitação de exame técnico

#4.1

06/26/1990

RPI 1024

Related

Same category

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.