Patent US2832014A successfully refreshed from Google Patents.
US2832014A
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Selenium rectifier and method of making such rectifier
Assignee: International Business Machines Corp
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Filing: 1955-06-06
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Granted: 1958-04-22
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Expires: 1975-06-06
Abstract
No abstract record available.
Inventors
- 👤 Reynold B Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:43
CPC Classifications
H; H10; H10W; H10W90/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A CELL BASE ASSEMBLY FOR A SELENIUM RECTIFIER COMPRISING A PLURALITY OF MARGINALLY SEPARATED METAL CELL BASE PORTIONS SUPPORTED IN CO-PLANAR SPACED APART RELATION BETWEEN A PAIR OF SHEETS OF INSULATIVE MATERIAL, SAID SHEETS BEING SEALED TOGETHER MARGINALLY OF SAID CELL BASE PORTIONS, A FACE AND AN EDGE PORTION OF EACH CELL BASE PORTION BEING EXPOSED.
Claim 2
Dependent Claim
56 words
A CELL BASE ASSEMBLY FOR A SELENIUM RECTIFIER COMPRISING A PLURALITY OF MARGINALLY SEPARATED METAL CELL BASE PORTIONS SUPPORTED IN CO-PLANAR SPACED APART RELATION BETWEEN A PAIR OF SHEETS OF INSULATIVE MATERIAL, SAID SHEETS BEING SEALED TOGETHER MARGINALLY OF SAID CELL BASE PORTIONS, A FACE AND AN EDGE PORTION OF EACH CELL BASE PORTION BEING EXPOSED.
References Cited (Backward Citations)
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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) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |