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Patent US2994614A successfully refreshed from Google Patents.
US2994614A
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Gold decorating compositions containing gold primary mercaptides
Assignee: Engelhard Industries Inc
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Filing: 1958-11-19
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Granted: 1961-08-01
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Expires: 1978-11-19
Abstract
No abstract record available.
Inventors
- 👤 Howard M Fitch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:22
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/06; C03C17/10; C23; C23C; C23C18/00; C23C18/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A GOLD DECORATING COMPOSITION WHICH COMPRISES A GOLD PRIMARY MERCAPTIDE AND A GOLD FLUX.
Claim 2
Dependent Claim
14 words
A GOLD DECORATING COMPOSITION WHICH COMPRISES A GOLD PRIMARY MERCAPTIDE AND A GOLD FLUX.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |