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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8105543

Type

Invention Patent

Filing

08/31/1981

Publication

05/18/1982

Progress at the INPI

  1. Filing08/31/81
  2. Publication05/18/82
  3. Examination07/10/84
  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

XEROX CORP

See this company's full portfolio

Inventors

B. L. (pessoa física)

P. D. (pessoa física)

R. G. (pessoa física)

S. R. (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

05/21/1985

RPI 761

Solicitação de exame técnico

#4.1

07/10/1984

RPI 716

Publicação do pedido de patente

#3.1

05/18/1982

RPI 604

Pedido de patente depositado

#2.1

10/13/1981

RPI 573

Carta-patente expirada

#21.1

Patente extinta em 31/08/96

08/19/2008

RPI 1963

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