Patent US3423646A successfully refreshed from Google Patents.
US3423646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Computer logic device consisting of an array of tunneling diodes,isolators and short circuits
Assignee: Unisys Corp
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Filing: 1965-02-01
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Granted: 1969-01-21
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Expires: 1985-02-01
Abstract
No abstract record available.
Inventors
- 👤 Lack S Cubert
- 👤 James J Murphy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:17
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/58; H10; H10D; H10D86/00; H10D86/01; H10D99/00; H10N; H10N97/00; Y; Y10; Y10S; Y10S438/00; Y10S438/957; Y10S438/979; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49069
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A THIN FILM STRUCTURE COMPRISING: (A) AN INSLUATING SUBSTRATE; (B) A PLURALITY OF FIRST DISCRETE THIN FILM METALLIC CONDUCTOR ELEMENTS DEPOSITED ON SAID SUBSTRATE; (C) A PLURALITY OF SECOND DISCRETE THIN FILM METALLIC CONDUCTOR ELEMENTS OVERLYING SAID FIRST CONDUCTOR ELEMENTS SO AS TO DEFINE A PLURALITY OF CROSSING LOCATIONS THEREBETWEEN; (D) A NON-METALLIC THIN FILM MATERIAL EXHIBITING TUNNELING OR OTHER ELECTRON TRANSFER MECHANISM CHARACTERISTICS INTERPOSED BETWEEN SAID FIRST AND SECOND CONDUCTOR ELEMENTS AT A FIRST PORTION OF SAID CROSSINGS;
Claim 2
Dependent Claim
79 words
A THIN FILM STRUCTURE COMPRISING: (A) AN INSLUATING SUBSTRATE; (B) A PLURALITY OF FIRST DISCRETE THIN FILM METALLIC CONDUCTOR ELEMENTS DEPOSITED ON SAID SUBSTRATE; (C) A PLURALITY OF SECOND DISCRETE THIN FILM METALLIC CONDUCTOR ELEMENTS OVERLYING SAID FIRST CONDUCTOR ELEMENTS SO AS TO DEFINE A PLURALITY OF CROSSING LOCATIONS THEREBETWEEN; (D) A NON-METALLIC THIN FILM MATERIAL EXHIBITING TUNNELING OR OTHER ELECTRON TRANSFER MECHANISM CHARACTERISTICS INTERPOSED BETWEEN SAID FIRST AND SECOND CONDUCTOR ELEMENTS AT A FIRST PORTION OF SAID CROSSINGS;
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) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |