Patent US2955472A successfully refreshed from Google Patents.
Patent US2838434A successfully refreshed from Google Patents.
US2838434A
Expired / Lapsed
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Semi-conductor signal translating device
Assignee: Rauland Borg Corp
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Filing: 1954-04-16
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Granted: 1958-06-10
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Expires: 1974-04-16
Abstract
No abstract record available.
Inventors
- 👤 Robert G Pohl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:15
CPC Classifications
H; H10; H10D; H10D62/00; H10D62/10; H10D10/00; H10D99/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
AN ELECTRICAL SIGNAL-TRANSLATING DEVICE COMPRISING: A WAFER, OF PERDETERMINED-CONDUCTIVITY-TYPE SEMI-CONDUCTIVE MATERIAL OF PREDETERMINED THICKNESS, HAVING AN APERTURE EXTENDING ENTIRELY THERETHROUGH IN THE THICKNESS DIRECTION AND ENTIRELY BONDED TRANSVERSELY OF SAID THICKNESS DIRECTION BY SAID WAFER MATERIAL WITH THE MATERIAL BETWEEN A BOUNDARY SURFACE OF SAID APERTURE AND AN OPPOSED SURFACE OF SAID WAFER CONSTITUTING A BRIDGE SECTION OF A WIDTH SMALLER THAN THE THICKNESS OF SAID WAFER;
Claim 2
Dependent Claim
67 words
AN ELECTRICAL SIGNAL-TRANSLATING DEVICE COMPRISING: A WAFER, OF PERDETERMINED-CONDUCTIVITY-TYPE SEMI-CONDUCTIVE MATERIAL OF PREDETERMINED THICKNESS, HAVING AN APERTURE EXTENDING ENTIRELY THERETHROUGH IN THE THICKNESS DIRECTION AND ENTIRELY BONDED TRANSVERSELY OF SAID THICKNESS DIRECTION BY SAID WAFER MATERIAL WITH THE MATERIAL BETWEEN A BOUNDARY SURFACE OF SAID APERTURE AND AN OPPOSED SURFACE OF SAID WAFER CONSTITUTING A BRIDGE SECTION OF A WIDTH SMALLER THAN THE THICKNESS OF SAID WAFER;
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-09 | 1961-12-09 | 1962-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-09 | 1965-12-09 | 1966-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-09 | 1969-12-09 | 1970-06-10 | $7700.00 | Window Closed / Lapsed |