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Official data from INPI

PROCESSO E APARELHO PARA FERMENTACAO TERMOFILA,AEROBICA DE MATERIAIS RESIDUAIS ORGANICOS

ConcedidaInvention Patent
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Application data

Number

PI7800044

Type

Invention Patent

Filing

01/04/1978

Publication

-
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Progress at the INPI

  1. Filing01/04/78
  2. Publication
  3. Examination
  4. Allowance02/21/84
  5. Grant08/28/84
  6. Expired07/20/93

The letters patent expired on 07/20/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 09/25/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. V. (pessoa física)

Inventors

S. V. (pessoa física)

Technical data

IPC Classification

C05F 9/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

09/25/1984

RPI 727

Concessão da patente

#16.1

08/28/1984

RPI 723

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

02/14/1984

RPI 695

Exigência - art. 36 da LPI

#6.1

02/22/1983

RPI 644

Carta-patente expirada

#21.1

07/20/1993

RPI 1181

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