US3395089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of depositing films of controlled specific resistivity and temperature coefficient of resistance using cathode sputtering
Assignee: AT&T Inc
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Filing: 1964-12-14
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Granted: 1968-07-30
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Expires: 1984-12-14
Abstract
No abstract record available.
Inventors
- 👤 Edward H Mayer
- 👤 Robert J Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:19
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/54; C23C14/34; H; H01; H01J; H01J37/00; H01J37/32; H01J37/34; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49099
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |