Patent US992426A successfully refreshed from Google Patents.
Patent US2758261A successfully refreshed from Google Patents.
US2758261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protection of semiconductor devices
Assignee: RCA Corp
•
Filing: 1952-06-02
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Granted: 1956-08-07
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Expires: 1972-06-02
Abstract
No abstract record available.
Inventors
- 👤 Lorne D Armstrong
- 👤 Jacques I Pantchechnikoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:25
CPC Classifications
H; H10; H10W; H10W74/00; H10W74/10; H10W74/131; H10W40/00; H10W40/70; H10W76/00; H10W76/10; H10W76/12; H10W76/161; H10W76/40; H10W76/42; H10W76/47; H10W72/00; H10W72/01; H10W72/015; H10W72/01515; H10W72/071; H10W72/075; H10W72/07551; H10W72/07554
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A CIRCUIT ELEMENT COMPRISING A SEMICONDUCTIVE DEVICE, A PLASTIC MATERIAL HAVING METALLIC OXIDE MIXED THEREWITH FOR ENCASING SAID DEVICE, AND A HIGH RESISTIVITY RESILIENT SUBSTANTIALLY CHEMICALLY INERT MATERIAL IN INTMATE CONTACT WITH SAID DEVICE AND SAID MIXTURE FOR PROTECTING PREDETERMINED PORTIONS OF SAID DEVICE.
Claim 2
Dependent Claim
44 words
A CIRCUIT ELEMENT COMPRISING A SEMICONDUCTIVE DEVICE, A PLASTIC MATERIAL HAVING METALLIC OXIDE MIXED THEREWITH FOR ENCASING SAID DEVICE, AND A HIGH RESISTIVITY RESILIENT SUBSTANTIALLY CHEMICALLY INERT MATERIAL IN INTMATE CONTACT WITH SAID DEVICE AND SAID MIXTURE FOR PROTECTING PREDETERMINED PORTIONS OF SAID DEVICE.
References Cited (Backward Citations)
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Cited
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US2628271A
Cited
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Cited
US2669635A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-07 | 1960-02-06 | 1960-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-07 | 1964-02-06 | 1964-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-07 | 1968-02-06 | 1968-08-07 | $7700.00 | Window Closed / Lapsed |