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Official data from INPI

SEM TITULO

ConcedidaUtility Model

Application data

Number

MU6501376

Type

Utility Model

Filing

09/17/1985

Publication

04/22/1987

Progress at the INPI

  1. Filing09/17/85
  2. Publication04/22/87
  3. Examination06/09/87
  4. Allowance06/07/88
  5. Grant02/28/89
  6. Expired11/07/95

The letters patent expired on 11/07/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Industria e Comercio Pizzoli S/A

SP, BR

See this company's full portfolio

Inventors

P. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1989

RPI 958

Notificação para pagamento de retribuição

#13.1

10/04/1988

RPI 937

Deferimento

#9.1

06/07/1988

RPI 920

Solicitação de exame técnico

#4.1

06/09/1987

RPI 868

Publicação do pedido de patente

#3.1

04/22/1987

RPI 861

Pedido de patente depositado

#2.1

11/26/1985

RPI 788

Carta-patente expirada

#21.1

11/07/1995

RPI 1301

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