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Official data from INPI

Forno de Tambor rotatório.

ConcedidaInvention Patent

Application data

Number

PI8002222

Type

Invention Patent

Filing

04/10/1980

Publication

-

Progress at the INPI

  1. Filing04/10/80
  2. Publication
  3. Examination08/31/82
  4. Allowance12/13/83
  5. Grant05/29/84
  6. Terminated07/26/94

The patent was granted on 05/29/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/29/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Allis - Chalmers Corporation

See this company's full portfolio

Inventors

B. R. (pessoa física)

C. R. (pessoa física)

Technical data

IPC Classification

Priority claims

US

035406 · 05/02/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/29/1984

RPI 710

Notificação para pagamento de retribuição

#13.1

04/10/1984

RPI 703

Deferimento

#9.1

12/13/1983

RPI 686

Exigência - art. 36 da LPI

#6.1

06/14/1983

RPI 660

Solicitação de exame técnico

#4.1

08/31/1982

RPI 619

Anuidade - prazo legal encerrado

#18.2

07/26/1994

RPI 1234

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