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Official data from INPI

APARELHO E PROCESSO PARA ARMAZENAMENTO E SUPRIMENTO DE CABEÇA PARA ENROLAMENTO DE ROLO

PublicadaInvention Patent

Application data

Number

PI8704331

Type

Invention Patent

Filing

08/21/1987

Publication

04/19/1988

Progress at the INPI

  1. Filing08/21/87
  2. Publication04/19/88
  3. Examination09/25/90
  4. Allowance08/27/91
  5. Grant05/26/92
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 04/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Enterprises International, Inc.

US

Inventors

S. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

898530 · 08/21/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

04/19/1988

RPI 913

Pedido de patente depositado

#2.1

11/17/1987

RPI 891

Carta-patente expirada

#21.1

Patente extinta em 21/08/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

05/26/1992

RPI 1121

Notificação para pagamento de retribuição

#13.1

12/24/1991

RPI 1099

Deferimento

#9.1

08/27/1991

RPI 1082

Solicitação de exame técnico

#4.1

09/25/1990

RPI 1034

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