US2812480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating semi-conductor devices and devices produced thereby
Assignee: RCA Corp
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Filing: 1954-06-23
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Granted: 1957-11-05
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Expires: 1974-06-23
Abstract
No abstract record available.
Inventors
- 👤 Sidney G Ellis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:18
CPC Classifications
H; H10; H10W; H10W76/00; H10W76/40; H10W72/00; Y; Y10; Y10S; Y10S148/00; Y10S148/062; Y10S148/118
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
39 words
A SEMI-CONDUCTOR DEVICE INCLUDING A BODY OF SEMICONDUCTIVE SILICON, AN ENVELOPE TO ENCLOSE SAID DEVICE, AND A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF IODINE AND BROMINE MAINTAINED IN CONTACT WITH THE SURFACE OF SAID DEVICE BY SAID ENVELOPE.
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) | 1960-11-04 | 1961-05-06 | 1961-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-04 | 1965-05-06 | 1965-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-04 | 1969-05-06 | 1969-11-05 | $7700.00 | Window Closed / Lapsed |