US3520723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for forming a metallic layer on a substrate
Assignee: Eastman Kodak Co
•
Filing: 1968-01-25
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Granted: 1970-07-14
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Expires: 1988-01-25
Abstract
No abstract record available.
Inventors
- 👤 Melvin D Sterman
- 👤 David J Genova
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:35
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/18; C23C18/20; C23C18/2006; C23C18/2046; C23C18/2053; C23C18/206; C23C18/28; C23C18/30; H; H01; H01F; H01F10/00; H01F10/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE1250517B
Cited
US3347724A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-13 | 1974-01-12 | 1974-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-13 | 1978-01-12 | 1978-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-13 | 1982-01-12 | 1982-07-14 | $7700.00 | Window Closed / Lapsed |