US2784479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing rectifier plates in multiple
Assignee: General Electric Co
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Filing: 1952-03-12
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Granted: 1957-03-12
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Expires: 1972-03-12
Abstract
No abstract record available.
Inventors
- 👤 John A Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:11
CPC Classifications
H; H10; H10D; H10D48/00; H10D48/01; H10D48/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
THE METHOD OF MANUFACTURING SELENIUM RECTIFIERS IN MULTIPLE WHICH COMPRISES COATING A METAL BASE PLATE ON AT LEAST ONE SIDE WITH A LAYER OF SELENIUM, FORMING INSULATING MATERIAL, SAID INSULATING MATERIAL BEING APINSULATION MATERIAL, SAID INSULATING MATERIAL BEING APPLIED IN BANDS DIVIDING SAID BASE PLATE INTO A PLURALITY OF DISCRETE AREAS, COATING SAID ONE SIDE OF SAID PLATE WITH AN INTEGRAL LAYER OF COUNTER-ELECTRODE METAL THEREBY TO FORM A RECTIFIER BLANK, SCORING SAID BLANK TO EXPOSE SAID BASE PLATE ALONG DIVIDING LINES LYING WHOLLY WITHIN SAID BANDS, COATING THE SCORED BLANK ALONG SAID DIVIDING LINES WITH A LAYER OF INSULATING MATERIAL, AND FINALLY DIVIDING SAID BLANK ALONG SAID LINES THEREBY TO FORM A PLURALITY OF INDIVIDUAL RECTIFIERS EACH DEFINED BY ONE OF SAID DISCRETE AREAS.
Claim 2
Independent Claim
125 words
THE METHOD OF MANUFACTURING SELENIUM RECTIFIERS IN MULTIPLE WHICH COMPRISES COATING A METAL BASE PLATE ON AT LEAST ONE SIDE WITH A LAYER OF SELENIUM, FORMING INSULATING MATERIAL, SAID INSULATING MATERIAL BEING APINSULATION MATERIAL, SAID INSULATING MATERIAL BEING APPLIED IN BANDS DIVIDING SAID BASE PLATE INTO A PLURALITY OF DISCRETE AREAS, COATING SAID ONE SIDE OF SAID PLATE WITH AN INTEGRAL LAYER OF COUNTER-ELECTRODE METAL THEREBY TO FORM A RECTIFIER BLANK, SCORING SAID BLANK TO EXPOSE SAID BASE PLATE ALONG DIVIDING LINES LYING WHOLLY WITHIN SAID BANDS, COATING THE SCORED BLANK ALONG SAID DIVIDING LINES WITH A LAYER OF INSULATING MATERIAL, AND FINALLY DIVIDING SAID BLANK ALONG SAID LINES THEREBY TO FORM A PLURALITY OF INDIVIDUAL RECTIFIERS EACH DEFINED BY ONE OF SAID DISCRETE AREAS.
References Cited (Backward Citations)
GB705626A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |