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Official data from INPI

PROCESSO E DISPOSITIVO PARA O REVESTIMENTO DE OBJETOS COM UM FLUIDO.

Em AnáliseInvention Patent

Application data

Number

PI8100890

Type

Invention Patent

Filing

02/13/1981

Publication

-

Progress at the INPI

  1. Filing02/13/81
  2. Publication
  3. Examination01/12/82
  4. Allowance02/14/84
  5. Grant08/28/84
  6. Expired03/26/96

The letters patent expired on 03/26/1996: 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: 05/26/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Basf Farben + Fasern Aktiengesellschaft

DE

Basf Lacke + Farben Ag.

DE

See this company's full portfolio

Inventors

M. R. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 30 05 677.0 · 02/15/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.7

05/26/1987

RPI 866

20.4

05/12/1987

RPI 864

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

06/05/1984

RPI 711

Deferimento

#9.1

02/14/1984

RPI 695

Exigência - art. 36 da LPI

#6.1

08/09/1983

RPI 668

Solicitação de exame técnico

#4.1

01/12/1982

RPI 586

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era B05B 5/02.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

03/26/1996

RPI 1321

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