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Patent US3022452A successfully refreshed from Google Patents.
US3022452A
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Diode
Assignee: Monsanto Chemicals Ltd
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Filing: 1959-10-16
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Granted: 1962-02-20
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Expires: 1979-10-16
Abstract
No abstract record available.
Inventors
- 👤 Forrest V Williams
- 👤 Robert A Ruehrwein
- 👤 Dale E Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:50
CPC Classifications
H; H10; H10D; H10D48/00; H10D48/30; H10D48/32; H10D48/34; H10D48/345; H10D10/00; H10D62/00; H10D62/10; H10D62/80; H10D62/83; H10D62/834; H10D62/85; H10D62/854; H10D62/86; H10D64/00; H10D64/60; H10D99/00; H10P; H10P10/00; H10P95/00; H10P95/80; H10W; H10W72/00; H10W76/00; H10W76/10; H10W76/60; H10W99/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A HIGH TEMPERATURE POINT-CONTACT RECTIFIER COMPRISING A SEMICONDUCTOR BODY OF BORON PHOSPHIDE, A HIGH MELTING POINT CONDUCTOR ATTACHED TO SAID SEMICONDUCTOR BODY FORMING AN OHMIC JUNCTION THEREON, AND A POINT CONTACT ELECTRODE ATTACHED TO SAID BODY.
Claim 2
Dependent Claim
36 words
A HIGH TEMPERATURE POINT-CONTACT RECTIFIER COMPRISING A SEMICONDUCTOR BODY OF BORON PHOSPHIDE, A HIGH MELTING POINT CONDUCTOR ATTACHED TO SAID SEMICONDUCTOR BODY FORMING AN OHMIC JUNCTION THEREON, AND A POINT CONTACT ELECTRODE ATTACHED TO SAID BODY.
References Cited (Backward Citations)
GB719873A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |