US3083320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective element for hermetically enclosed semiconductor devices
Assignee: AT&T Inc
•
Filing: 1960-12-01
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Granted: 1963-03-26
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Expires: 1980-12-01
Abstract
No abstract record available.
Inventors
- 👤 Godfrey James
- 👤 Elmer A Thurber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:29
CPC Classifications
H; H10; H10W; H10W76/00; H10W76/40; H10W76/42; H10W76/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A SEMICONDUCTOR DEVICE INCLUDING A SEALED ENVELOPE ENCLOSING AN EVACUATED SPACE AND A GETTERING ELEMENT WITHIN SAID ENVELOPE, SAID ELEMENT COMPRISING A POROUS SINTERED NICKEL MATRIX IMPREGNATED WITH ACTIVATED OXIDES OF ALKALINE EARTH METALS INCLUDING BARIUM, FOR SUBSTANTIALLY IMPREGNATING THE INTERSTICES OF SAID NICKEL MATRIX, SAID ELEMENT BEING BRAZED TO THE INTERIOR OF SAID ENVELOPE.
Claim 2
Dependent Claim
55 words
A SEMICONDUCTOR DEVICE INCLUDING A SEALED ENVELOPE ENCLOSING AN EVACUATED SPACE AND A GETTERING ELEMENT WITHIN SAID ENVELOPE, SAID ELEMENT COMPRISING A POROUS SINTERED NICKEL MATRIX IMPREGNATED WITH ACTIVATED OXIDES OF ALKALINE EARTH METALS INCLUDING BARIUM, FOR SUBSTANTIALLY IMPREGNATING THE INTERSTICES OF SAID NICKEL MATRIX, SAID ELEMENT BEING BRAZED TO THE INTERIOR OF 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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |