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Official data from INPI

DIFUSOR.

Em AnáliseUtility Model

Application data

Number

MU6300236

Type

Utility Model

Filing

02/28/1983

Publication

08/30/1983

Progress at the INPI

  1. Filing02/28/83
  2. Publication08/30/83
  3. Examination10/25/83
  4. Allowance05/13/86
  5. Grant12/30/86
  6. Expired12/07/93

The letters patent expired on 12/07/1993: 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: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Instron S/A Indústria e Comércio

SP, BR

Inventors

F. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

201

03/29/1988

RPI 910

Pedido de licença voluntária

#17.1

09/01/1987

RPI 880

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

09/02/1986

RPI 828

Deferimento

#9.1

05/13/1986

RPI 812

Exigência - art. 36 da LPI

#6.1

09/03/1985

RPI 776

Solicitação de exame técnico

#4.1

10/25/1983

RPI 679

Publicação antecipada

#3.2

08/30/1983

RPI 671

Pedido de patente depositado

#2.1

04/12/1983

RPI 651

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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