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Official data from INPI

DISPOSITIVO PROTETOR PARA ROLOS DE PAPÉIS COPIATIVOS

PublicadaUtility Model

Application data

Number

MU6900875

Type

Utility Model

Filing

06/06/1989

Publication

10/17/1989

Progress at the INPI

  1. Filing06/06/89
  2. Publication10/17/89
  3. Examination05/08/90
  4. Allowance08/03/93
  5. Grant06/28/94
  6. Expired11/20/01

The letters patent expired on 11/20/2001: 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: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Herbert Mayer Industria Heliográfica S/A

SP, BR

Inventors

C. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação antecipada

#3.2

10/17/1989

RPI 991

Pedido de patente depositado

#2.1

07/18/1989

RPI 978

Carta-patente expirada

#21.1

Patente extinta em 06/06/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).

11/20/2001

RPI 1611

Concessão da patente

#16.1

06/28/1994

RPI 1230

Notificação para pagamento de retribuição

#13.1

02/08/1994

RPI 1210

Deferimento

#9.1

08/03/1993

RPI 1183

Solicitação de exame técnico

#4.1

05/08/1990

RPI 1017

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