Official data from INPI

SECADORA PARA SECAR UMA FOLHA CONTINUA DE FIBRAS PARA PAPEL

Em AnáliseInvention Patent

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Application data

Number

PI7804952

Type

Invention Patent

Filing

08/02/1977

Publication

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Progress at the INPI

Filing08/02/77
Publication
Examination
Allowance01/11/83
Grant
Terminated06/14/88

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

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Latest action published by the INPI: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INGERSOLL RAND CO

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Notificação para pagamento de retribuição

#13.1

05/24/1983

RPI 657

Deferimento

#9.1

01/11/1983

RPI 638

6.2

01/26/1982

RPI 588

From the same holder

JUNTA UNIVERSAL LAVADOURA DE POLPA APARELHO DE APERTO REGULADOR DE FLUIDO ROTATIVO COMPRESSOR DE GAS,CONJUNTO DE CAIXA DE ENGRENAGENS E MOVIMENTACAO DE GAS E CONJUNTO PERMUTADOR DE CALOR

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