US3093509A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making copper films
Assignee: Individual
•
Filing: 1959-09-28
•
Granted: 1963-06-11
•
Expires: 1979-09-28
Abstract
No abstract record available.
Inventors
- 👤 Wein Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:36
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/18; C23C18/1851; C23C18/1862; C23C18/1865; C03; C03C; C03C17/00; C03C17/06; C03C17/10; C23C18/1601; C23C18/1633; C23C18/1646; C23C18/165; C23C18/1651; C23C18/1655; C23C18/1658; C23C18/166; C23C18/1872; C23C18/1886; C23C18/1889; C23C18/20; C23C18/2006; C23C18/2026; C23C18/2033; C23C18/2046; C23C18/2073; C23C18/208; C23C18/28; C23C18/285; C23C18/31; C23C18/38; C23C18/40; C23C18/42; C23C18/44; C23C18/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2183202A
Cited
US2190121A
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US2363354A
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US2602757A
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US2871139A
Cited
US2955959A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |