US3458370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fotoform-metallic evaporation mask making
Assignee: United States Department of the Air Force
•
Filing: 1966-01-26
•
Granted: 1969-07-29
•
Expires: 1986-01-26
Abstract
No abstract record available.
Inventors
- 👤 Peter F Cone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:33
CPC Classifications
G; G03; G03F; G03F1/00; G03F1/20; H; H05; H05K; H05K3/00; H05K3/0002; H05K2203/00; H05K2203/05; H05K2203/0548; H05K2203/0557; H05K3/10; H05K3/14; H05K3/143
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2628160A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |