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Official data from INPI

MATERIAL DE MANCAL E RESPECTIVO MANCAL LISO

Em AnáliseInvention Patent

Application data

Number

PI8601099

Type

Invention Patent

Filing

03/13/1986

Publication

11/25/1986

Progress at the INPI

  1. Filing03/13/86
  2. Publication11/25/86
  3. Examination10/04/88
  4. Allowance09/29/92
  5. Grant04/27/93
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 10/04/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AE PLC

GB

D. C. (pessoa física)

US

See this company's full portfolio

Inventors

G. D. (pessoa física)

GB

Technical data

Priority claims

GB

8506807 · 03/15/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/04/1988

RPI 937

Publicação do pedido de patente

#3.1

11/25/1986

RPI 840

Pedido de patente depositado

#2.1

08/26/1986

RPI 827

Carta-patente expirada

#21.1

Patente extinta em 13/03/2001

07/22/2008

RPI 1959

Transferência deferida

#25.1

Transferido de: AE PLC

04/09/2002

RPI 1631

Concessão da patente

#16.1

04/27/1993

RPI 1169

Notificação para pagamento de retribuição

#13.1

03/02/1993

RPI 1161

Deferimento

#9.1

09/29/1992

RPI 1139

Exigência - art. 36 da LPI

#6.1

08/06/1991

RPI 1079

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