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Official data from INPI

PROCESSO E APARELHO PARA GERAR E PULVERIZAR PLASMA

Em AnáliseInvention Patent

Application data

Number

PI8003383

Type

Invention Patent

Filing

06/11/1979

Publication

-

Progress at the INPI

  1. Filing06/11/79
  2. Publication
  3. Examination02/01/83
  4. Allowance02/21/84
  5. Grant11/27/84
  6. Expired06/13/95

The letters patent expired on 06/13/1995: 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: 09/23/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNITED TECHNOLOGIES CORP

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Inventors

E. H. (pessoa física)

M. C. (pessoa física)

S. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

09/23/1986

RPI 831

Pedido de licença compulsória

#20.1

05/27/1986

RPI 814

Concessão da patente

#16.1

11/27/1984

RPI 736

Republicação - classificação IPC

#15.11

09/18/1984

RPI 726

Notificação para pagamento de retribuição

#13.1

06/12/1984

RPI 712

Deferimento

#9.1

02/21/1984

RPI 696

Republicação - classificação IPC

#15.11

02/07/1984

RPI 694

Exigência - art. 36 da LPI

#6.1

10/11/1983

RPI 677

Solicitação de exame técnico

#4.1

02/01/1983

RPI 641

Carta-patente expirada

#21.1

06/13/1995

RPI 1280

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