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Official data from INPI

APARELHO PARA ROMPER UMA SUPERFÍCIE DURA E APARELHO PARA OSCILAR UMA FERRAMENTA EM RESSONÂNCIA

Em AnáliseInvention Patent

Application data

Number

PI8706708

Type

Invention Patent

Filing

12/10/1987

Publication

07/19/1988

Progress at the INPI

  1. Filing12/10/87
  2. Publication07/19/88
  3. Examination11/14/89
  4. Allowance07/21/92
  5. Grant04/27/93
  6. Terminated10/24/95

The patent was granted on 04/27/1993 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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mertz, Inc.

US

Inventors

M. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

940.981 · 12/12/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/14/1989

RPI 995

Publicação do pedido de patente

#3.1

07/19/1988

RPI 926

Pedido de patente depositado

#2.1

03/01/1988

RPI 906

Anuidade - prazo legal encerrado

#18.2

10/24/1995

RPI 1299

Concessão da patente

#16.1

04/27/1993

RPI 1169

Notificação para pagamento de retribuição

#13.1

12/29/1992

RPI 1152

Deferimento

#9.1

07/21/1992

RPI 1129

Conhecimento de parecer técnico

#7.1

09/24/1991

RPI 1086

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