Discoloration resistant gold alloy and method of production thereof

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11889904
APP PUB NO 20200383439A1
SERIAL NO

16970909

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A discoloration resistant Gold alloy for jewelry characterized in that it comprises in weight:

    Gold, in the amount comprised between 755‰ and 770‰,Copper, in the amount comprised between 165‰ and 183‰,Silver, in the amount comprised between 28‰ and 50‰,Palladium, in the amount comprised between 19‰ and 23‰ andIron, in the amount comprised between 2‰ and 6‰.and characterized by the absence of Vanadium.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
ARGOR-HERAEUS SAVIA MOREE 14 MENDRISIO CH-6850

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Arnaboldi, Sergio Suello, IT 4 3
Nauer, Marco Morbio Inferiore, CH 4 3
Rossini, Marta Melide, CH 2 0

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Aug 6, 2027
7.5 Year Payment $3600.00 $1800.00 $900.00 Aug 6, 2031
11.5 Year Payment $7400.00 $3700.00 $1850.00 Aug 6, 2035
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00