US3486928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bath and process for platinum and platinum alloys
Assignee: Huntington Alloys Corp
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Filing: 1965-10-21
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Granted: 1969-12-30
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Expires: 1985-10-21
Abstract
No abstract record available.
Inventors
- 👤 Richard N Rhoda
- 👤 Raymond F Vines
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:17
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/86; B; B22; B22F; B22F1/00; B22F1/17; B22F1/18; B22F9/00; B22F9/16; B22F9/18; B22F9/24; C; C23; C23C; C23C18/00; C23C18/16; C23C18/31; C23C18/42; C23C18/44; C23C18/48; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
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) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |