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Official data from INPI

PANO

ConcedidaInvention Patent

Application data

Number

PI8205746

Type

Invention Patent

Filing

09/30/1982

Publication

09/06/1983

Progress at the INPI

  1. Filing09/30/82
  2. Publication09/06/83
  3. Examination05/22/84
  4. Allowance08/20/85
  5. Grant04/29/86
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 04/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

US

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Inventors

V. D. (pessoa física)

Technical data

IPC Classification

Priority claims

US

315.925 · 10/28/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/29/1986

RPI 810

Notificação para pagamento de retribuição

#13.1

12/24/1985

RPI 792

Deferimento

#9.1

08/20/1985

RPI 774

Exigência - art. 36 da LPI

#6.1

12/04/1984

RPI 737

Solicitação de exame técnico

#4.1

05/22/1984

RPI 709

Publicação do pedido de patente

#3.1

09/06/1983

RPI 672

Pedido de patente depositado

#2.1

11/23/1982

RPI 631

Carta-patente expirada

#21.1

Patente extinta em 30/09/97

07/01/2008

RPI 1956

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