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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8105059

Type

Invention Patent

Filing

08/06/1981

Publication

03/15/1983

Progress at the INPI

  1. Filing08/06/81
  2. Publication03/15/83
  3. Examination08/21/84
  4. Allowance12/17/85
  5. Grant06/24/86
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 06/24/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

US INDUSTRIES INC [US]

Inventors

B. R. (pessoa física)

C. E. (pessoa física)

W. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/24/1986

RPI 818

Notificação para pagamento de retribuição

#13.1

04/22/1986

RPI 809

Deferimento

#9.1

12/17/1985

RPI 791

Exigência - art. 36 da LPI

#6.1

02/12/1985

RPI 747

Solicitação de exame técnico

#4.1

08/21/1984

RPI 722

Publicação do pedido de patente

#3.1

03/15/1983

RPI 647

Carta-patente expirada

#21.1

Patente extinta em 06/08/96

08/19/2008

RPI 1963

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