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Official data from INPI

PROCESSO PARA DIMINUIR A VISCOSIDADE DE UMA SUSPENSAO AQUOSA,OU DE UM BOLO DE GEL

Em AnáliseInvention Patent

Application data

Number

PI7805511

Type

Invention Patent

Filing

08/25/1978

Publication

-

Progress at the INPI

  1. Filing08/25/78
  2. Publication
  3. Examination
  4. Allowance01/10/84
  5. Grant07/31/84
  6. Terminated10/03/89

The patent was granted on 07/31/1984 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

RORER INC WILLIAM H

Inventors

B. J. (pessoa física)

J. R. (pessoa física)

S. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

Concessão da patente

#16.1

07/31/1984

RPI 719

Notificação para pagamento de retribuição

#13.1

05/02/1984

RPI 706

Deferimento

#9.1

01/10/1984

RPI 690

Exigência - art. 36 da LPI

#6.1

08/09/1983

RPI 668

Republicação - classificação IPC

#15.11

02/08/1983

RPI 642

Conhecimento de parecer técnico

#7.1

12/21/1982

RPI 635

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