US3413723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Noble metal alloy adapted to receive porcelain cladding, artificial dental constructions and method of preparing the same
Assignee: Vita Zahnfabrik H Rauter GmbH and Co KG
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Filing: 1963-01-30
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Granted: 1968-12-03
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Expires: 1983-01-30
Abstract
No abstract record available.
Inventors
- 👤 Wagner Ewald
- 👤 Pralow Walter Ernst Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:32
CPC Classifications
A; A61; A61C; A61C13/00; A61C13/0003; A61C13/08; A61C13/083; A61C13/0835; A61K; A61K6/00; A61K6/80; A61K6/84; A61K6/844; C; C22; C22C; C22C5/00; C22C5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
DENTAL ALLOY ADAPTED TO HAVE PORCELAIN COVERINGS FIRED THEREON CONSISTING ESSENTIALLY OF 80 TO 90% OF GOLD, 5 TO 15% OF PLATINUM, 0.1 TO 2% OF INDIUM, 0.1 TO 2% OF TIN AND 0.05 TO 1% OF RHENIUM.
Claim 2
Dependent Claim
38 words
DENTAL ALLOY ADAPTED TO HAVE PORCELAIN COVERINGS FIRED THEREON CONSISTING ESSENTIALLY OF 80 TO 90% OF GOLD, 5 TO 15% OF PLATINUM, 0.1 TO 2% OF INDIUM, 0.1 TO 2% OF TIN AND 0.05 TO 1% OF RHENIUM.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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US3052982A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |