US3466191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of vacuum deposition of piezoelectric films of cadmium sulfide
Assignee: United States Department of the Army
•
Filing: 1966-11-07
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Granted: 1969-09-09
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Expires: 1986-11-07
Abstract
No abstract record available.
Inventors
- 👤 James Maxwell Stinchfield
- 👤 Hayden Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:40
CPC Classifications
H; H01; H01J; H01J37/00; H01J37/32; H01J37/34; H10; H10N; H10N30/00; H10N30/01; H10N30/07; H10N30/074; H10N30/076; Y; Y10; Y10S; Y10S148/00; Y10S148/169
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) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |