Patent US3562139A successfully refreshed from Google Patents.
US2443119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of producing predetermined metallic patterns
Assignee: Individual
•
Filing: 1944-04-05
•
Granted: 1948-06-08
•
Expires: 1964-04-05
Abstract
No abstract record available.
Inventors
- 👤 Milton D Rubin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:17
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/10; H05K3/108; C; C25; C25D; C25D5/00; C25D5/02; H05K2203/00; H05K2203/05; H05K2203/0502; H05K2203/0525; H05K2203/13; H05K2203/1333; H05K2203/1355
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2031185A
Cited
US2279567A
Cited
US653024A
Cited
US1563731A
Cited
GB269729A
Cited
US1942686A
Cited
US1963834A
Cited
US2083249A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-08 | 1951-12-08 | 1952-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-08 | 1955-12-08 | 1956-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-08 | 1959-12-08 | 1960-06-08 | $7700.00 | Window Closed / Lapsed |