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Official data from INPI

BOCAL PARA APLICACAO DE LIQUIDO DE LAVAGEM,GOTA A GOTA,SOBRE UM LOCAL DE LAVAGEM

Em AnáliseInvention Patent

Application data

Number

PI7700055

Type

Invention Patent

Filing

03/23/1976

Publication

-

Progress at the INPI

  1. Filing03/23/76
  2. Publication
  3. Examination
  4. Allowance10/19/82
  5. Grant04/26/83
  6. Expired07/27/93

The letters patent expired on 07/27/1993: 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: 03/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

WESTFAELISCHE METALL INDUSTRIE

Inventors

B. P. (pessoa física)

D. G. (pessoa física)

O. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

03/24/1987

RPI 857

Concessão da patente

#16.1

04/26/1983

RPI 653

Notificação para pagamento de retribuição

#13.1

01/18/1983

RPI 639

100

10/19/1982

RPI 626

Carta-patente expirada

#21.1

07/27/1993

RPI 1182

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