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Official data from INPI

UNIDADE DE BOMBEAMENTO

Concessão AnuladaInvention Patent

Application data

Number

PI7705014

Type

Invention Patent

Filing

09/03/1976

Publication

-

Progress at the INPI

  1. Filing09/03/76
  2. Publication
  3. Examination
  4. Allowance11/26/85
  5. Grant04/29/86
  6. Expired07/13/93

The letters patent expired on 07/13/1993: 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: 07/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

EBARA CORP

Inventors

U. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

07/29/1986

RPI 823

Concessão da patente

#16.1

04/29/1986

RPI 810

100

11/26/1985

RPI 788

120

08/23/1983

RPI 670

Petição de recurso

#12.2

12/22/1981

RPI 583

Carta-patente expirada

#21.1

07/13/1993

RPI 1180

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