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Official data from INPI

NOVA DISPOSICAO EM CAMARAS SECADORAS DE CERAMICA BRUTA

ConcedidaUtility Model

Application data

Number

MU6300871

Type

Utility Model

Filing

06/22/1983

Publication

10/18/1983

Progress at the INPI

  1. Filing06/22/83
  2. Publication10/18/83
  3. Examination02/21/84
  4. Allowance01/06/87
  5. Grant09/27/88
  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: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MAQUINAS CERAMICAS DAVID LTDA [BR]

Inventors

D. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1988

RPI 936

Notificação para pagamento de retribuição

#13.1

05/17/1988

RPI 917

110

02/17/1988

RPI 904

120

08/25/1987

RPI 879

Recurso

#12.1

05/05/1987

RPI 863

Deferimento

#9.1

01/06/1987

RPI 846

Exigência - art. 36 da LPI

#6.1

07/29/1986

RPI 823

Solicitação de exame técnico

#4.1

02/21/1984

RPI 696

Publicação antecipada

#3.2

10/18/1983

RPI 678

Pedido de patente depositado

#2.1

08/09/1983

RPI 668

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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