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US4014690A Expired / Lapsed US ⏱️ 0.0 years remaining

Gold-colored alloy solders

Assignee: Austenal Inc
•
Filing: 1976-05-14
•
Granted: 1977-03-29
•
Expires: 1996-05-14
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Abstract

Abstract A gold-colored alloy solder for use with dental gold alloys and gold-colored jewelry alloys includes the following ranges of constituents in percentages by weight: ______________________________________ Constituent Proportional Range ______________________________________ Gold 60 - 70% Platinum 0 - 10% Palladium 0 - 10% Copper 10 - 25% Gallium 5 - 10% Iridium 0 - 0.01% ______________________________________ With the proviso that the total of said platinum and palladium is from about 5-10%.

Inventors

  • 👤 Ronald P. Dudek
  • 👤 Peter Kosmos
  • 👤 John A. Tesk

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 04:08
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/3013; C; C22; C22C; C22C5/00; C22C5/02

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 61 words
A gold-colored alloy solder consisting essentially of the following constituents in the indicated percentages by weight: ______________________________________ Constituent Proportional Range ______________________________________ Gold 60 - 70% Platinum 0 - 10% Palladium 0 - 10% Copper 10 - 25% Gallium 5 - 10% Iridium 0 - 0.01% ______________________________________ with the proviso that the total of said platinum and palladium is from about 5-10%.
Claim 2
Dependent Claim 61 words
A gold-colored alloy solder consisting essentially of the following constituents in the indicated percentages by weight: ______________________________________ Constituent Proportional Range ______________________________________ Gold 60 - 70% Platinum 0 - 10% Palladium 0 - 10% Copper 10 - 25% Gallium 5 - 10% Iridium 0 - 0.01% ______________________________________ with the proviso that the total of said platinum and palladium is from about 5-10%.
Claim 3
Dependent Claim 15 words
An alloy in accordance with claim 1 containing about 10-15% copper and about 70% gold.
Claim 4
Dependent Claim 35 words
The alloy solder of claim 2 consisting of the following constituents in approximately the indicated percentages by weight: ______________________________________ Constituent Composition ______________________________________ Gold 70% Platinum 4.99% Palladium 5% Copper 10% Gallium 10% Iridium 0.01% ______________________________________
Claim 5
Dependent Claim 15 words
An alloy in accordance with claim 1 containing about 20-25% copper and about 60% gold.
Claim 6
Dependent Claim 35 words
The alloy solder of claim 4 consisting of the following constituents in approximately the indicated percentages by weight: ______________________________________ Constituent Composition ______________________________________ Gold 60% Platinum 8.99% Palladium 1% Copper 20% Gallium 10% Iridium 0.01% ______________________________________

References Cited (Backward Citations)

US3134671A Cited
US3136634A Cited
US3254279A Cited
US3574610A Cited
US3574611A Cited
US3667936A Cited
US3892564A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-03-28 1980-09-27 1981-03-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-03-28 1984-09-27 1985-03-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-03-28 1988-09-27 1989-03-29 $7700.00 Window Closed / Lapsed

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