US3198012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gallium arsenide devices
Assignee: Texas Instruments Inc
•
Filing: 1963-09-18
•
Granted: 1965-08-03
•
Expires: 1983-09-18
Abstract
No abstract record available.
Inventors
- 👤 Gary R Argue
- 👤 Robert W Haisty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:12
CPC Classifications
H; H01; H01C; H01C7/00; H01C7/04; G; G05; G05F; G05F1/00; G05F1/10; G05F1/625; G05F1/63; H10; H10P; H10P95/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A METHOD OF SENSING THERMAL CHANGS OF AN ENVIRONMENT COMPRISING THE STEPS OF SUBJECTING A GALLIUM ARSENIDE ELEMENT HAVING AN ENERGY LEVEL OF AOBUT HALF THE FORBIDDEN BAND GAP WIDTH TO AN ENVIRONMENT UNDERGOING THERMAL CHANGES, AND DETACTING RESISTIVITY CHANGES OF SAID GALLIUM ARSENIDE ELEMENT EFFECTED BY SAID THERMAL CHANGES.
Claim 2
Independent Claim
50 words
A METHOD OF SENSING THERMAL CHANGS OF AN ENVIRONMENT COMPRISING THE STEPS OF SUBJECTING A GALLIUM ARSENIDE ELEMENT HAVING AN ENERGY LEVEL OF AOBUT HALF THE FORBIDDEN BAND GAP WIDTH TO AN ENVIRONMENT UNDERGOING THERMAL CHANGES, AND DETACTING RESISTIVITY CHANGES OF SAID GALLIUM ARSENIDE ELEMENT EFFECTED BY SAID THERMAL CHANGES.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |