US3458542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heavy metal-diamine-gold cyanide complexes
Assignee: Technic Inc
•
Filing: 1966-01-12
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Granted: 1969-07-29
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Expires: 1986-01-12
Abstract
No abstract record available.
Inventors
- 👤 Thomas R Moore Jr
- 👤 Florence P Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:28
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/48; C07; C07F; C07F19/00; C07F19/005; C23; C23C; C23C18/00; C23C18/16; C23C18/18; C23C18/20; C23C18/28; C23C18/30; C23C18/31; C23C18/42; C25D3/56; C25D3/62
Claims Analysis
Total Claims: 0
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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) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |