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Official data from INPI

APARELHO SENSOR DE ONDAS ACÚSTICAS DE SUPERFÍCIE

ConcedidaInvention Patent

Application data

Number

PI8305365

Type

Invention Patent

Filing

09/29/1983

Publication

05/08/1984

Progress at the INPI

  1. Filing09/29/83
  2. Publication05/08/84
  3. Examination07/01/86
  4. Allowance05/16/89
  5. Grant10/24/89
  6. Terminated09/05/95

The patent was granted on 10/24/1989 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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Prad Research and Development N.V.

NL

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Inventors

B. S. (pessoa física)

US

M. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

427.240 · 09/29/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/24/1989

RPI 992

Notificação para pagamento de retribuição

#13.1

09/12/1989

RPI 986

Deferimento

#9.1

05/16/1989

RPI 969

102

01/10/1989

RPI 951

Pedido de recurso

#12.3

08/30/1988

RPI 932

11.3

05/03/1988

RPI 915

Exigência - art. 36 da LPI

#6.1

10/27/1987

RPI 888

Solicitação de exame técnico

#4.1

07/01/1986

RPI 819

Publicação do pedido de patente

#3.1

05/08/1984

RPI 707

Pedido de patente depositado

#2.1

12/13/1983

RPI 686

Anuidade - prazo legal encerrado

#18.2

09/05/1995

RPI 1292

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