US3464907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Triode sputtering apparatus and method using synchronized pulsating current
Assignee: Victory Engineering Corp
•
Filing: 1967-02-23
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Granted: 1969-09-02
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Expires: 1987-02-23
Abstract
No abstract record available.
Inventors
- 👤 John G Froemel
- 👤 Meyer Sapoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:04
CPC Classifications
H; H01; H01J; H01J37/00; H01J37/32; H01J37/34; H01J37/3402; C; C23; C23C; C23C14/00; C23C14/22; C23C14/34; C23C14/35; C23C14/354; C23C14/355
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3021271A
Cited
US3347772A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |