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Official data from INPI

LANÇA DE ANCORAGEM PARA AERADORES FLUTUANTES.

ConcedidaInvention Patent

Application data

Number

PI8400115

Type

Invention Patent

Filing

01/11/1984

Publication

05/02/1984

Progress at the INPI

  1. Filing01/11/84
  2. Publication05/02/84
  3. Examination07/10/84
  4. Allowance02/09/88
  5. Grant07/26/88
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 07/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. H. (pessoa física)

SC, BR

Inventors

H. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1988

RPI 927

Republicação - classificação IPC

#15.11

05/10/1988

RPI 916

Deferimento

#9.1

02/09/1988

RPI 903

Solicitação de exame técnico

#4.1

07/10/1984

RPI 716

Publicação antecipada

#3.2

05/02/1984

RPI 706

Pedido de patente depositado

#2.1

03/20/1984

RPI 700

Carta-patente expirada

#21.1

Patente extinta em 11/01/99

07/08/2008

RPI 1957

Republicação - classificação IPC

#15.11

10/01/1991

RPI 1087

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