US2450296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing articles having fissured chromium surface electrodeposits
Assignee: United Chromium Inc
•
Filing: 1944-08-25
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Granted: 1948-09-28
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Expires: 1964-08-25
Abstract
No abstract record available.
Inventors
- 👤 Passalacqua Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:07
CPC Classifications
C; C23; C23F; C23F1/00; C23F1/10; C23F1/14; C23F1/16; C23F1/26; C25; C25D; C25D5/00; C25D5/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1745912A
Cited
US1802463A
Cited
US1838273A
Cited
US2048578A
Cited
US2314604A
Cited
US2430750A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-09-28 | 1952-03-29 | 1952-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-09-28 | 1956-03-29 | 1956-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-09-28 | 1960-03-29 | 1960-09-28 | $7700.00 | Window Closed / Lapsed |