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Official data from INPI

Embarcação com casco tipo túnel.

ConcedidaUtility Model

Application data

Number

MU6101901

Type

Utility Model

Filing

12/21/1981

Publication

09/20/1983

Progress at the INPI

  1. Filing12/21/81
  2. Publication09/20/83
  3. Examination07/03/84
  4. Allowance04/29/86
  5. Grant06/30/87
  6. Terminated10/02/90

The patent was granted on 06/30/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/30/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. M. (pessoa física)

Inventors

M. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/30/1987

RPI 871

Notificação para pagamento de retribuição

#13.1

09/02/1986

RPI 828

Deferimento

#9.1

04/29/1986

RPI 810

8.1

11/05/1985

RPI 785

8.1

04/23/1985

RPI 757

Solicitação de exame técnico

#4.1

07/03/1984

RPI 715

Publicação do pedido de patente

#3.1

09/20/1983

RPI 674

Pedido de patente depositado

#2.1

03/02/1982

RPI 593

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era B63B 35/72.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

10/02/1990

RPI 1035

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