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Official data from INPI

SOLUÇÃO AQUOSA ÁCIDA DE REVESTIMENTO DE ZINCO E PROCESSO DE DEPOSIÇÃO ELETROLÍTICA DE REVESTIMENTO DE ZINCO

Em AnáliseInvention Patent

Application data

Number

PI8007548

Type

Invention Patent

Filing

11/19/1980

Publication

-

Progress at the INPI

  1. Filing11/19/80
  2. Publication
  3. Examination
  4. Allowance02/06/90
  5. Grant08/28/90
  6. Expired12/26/95

The letters patent expired on 12/26/1995: 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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Enthone, Incorporated

US

See this company's full portfolio

Inventors

V. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

95.483 · 11/19/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

102

11/14/1989

RPI 995

Pedido de recurso

#12.3

05/02/1989

RPI 967

11.3

01/17/1989

RPI 952

Exigência - art. 36 da LPI

#6.1

11/24/1987

RPI 892

Exigência - art. 36 da LPI

#6.1

11/25/1986

RPI 840

Exigência - art. 36 da LPI

#6.1

01/17/1984

RPI 691

Carta-patente expirada

#21.1

12/26/1995

RPI 1308

Concessão da patente

#16.1

08/28/1990

RPI 1030

Notificação para pagamento de retribuição

#13.1

05/29/1990

RPI 1020

Deferimento

#9.1

02/06/1990

RPI 1005

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