US3013193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compound semiconductor devices
Assignee: Battelle Development Corp
•
Filing: 1960-01-11
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Granted: 1961-12-12
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Expires: 1980-01-11
Abstract
No abstract record available.
Inventors
- 👤 Gorton Henry Clay
- 👤 Wilbur L Mefferd
- 👤 Robert K Willardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:15
CPC Classifications
H; H10; H10D; H10D48/00; H10D48/30; H10D48/32; H10D48/34; H10D48/345; H03; H03J; H03J3/00; H03J3/02; H03J3/16; H03J3/18; H10D62/00; H10D62/10; H10D62/80; H10D62/85; H10D62/854; Y; Y10; Y10S; Y10S420/00; Y10S420/903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A SEMICONDUCTOR DEVICE COMPRISING A CRYSTALLINE BODY AND ELECTRICAL CONNECTING MEANS IN CONTACT THEREWITH, SAID BODY CONSISTING ESSENTIALLY OF THE COMPOUND A13TA.
Claim 2
Dependent Claim
22 words
A SEMICONDUCTOR DEVICE COMPRISING A CRYSTALLINE BODY AND ELECTRICAL CONNECTING MEANS IN CONTACT THEREWITH, SAID BODY CONSISTING ESSENTIALLY OF THE COMPOUND A13TA.
References Cited (Backward Citations)
US2754456A
Cited
US2719253A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |