US3080441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diffusion barriers for semiconductor devices
Assignee: Consolidated Electrodynamics Corp
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Filing: 1961-03-06
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Granted: 1963-03-05
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Expires: 1981-03-06
Abstract
No abstract record available.
Inventors
- 👤 Robert K Willardson
- 👤 Charles F Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:21
CPC Classifications
H; H10; H10N; H10N10/00; H10N10/10; H10N10/17; H10N10/80; H10N10/85; H10N10/851; H10N10/852; H10P; H10P95/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A SEMICONDUCTOR THERE MOELECTRIC GENERATOR COMPRISING A POLYCRYSTALLINE N-TYPE PORTION, A POLYCRYSTALLINE P-
Claim 2
Dependent Claim
13 words
A SEMICONDUCTOR THERE MOELECTRIC GENERATOR COMPRISING A POLYCRYSTALLINE N-TYPE PORTION, A POLYCRYSTALLINE P-
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) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |