US3078335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wafers for modular constructions
Assignee: Illinois Tool Works Inc
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Filing: 1960-11-23
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Granted: 1963-02-19
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Expires: 1980-11-23
Abstract
No abstract record available.
Inventors
- 👤 Jr James G Black
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:57
CPC Classifications
H; H05; H05K; H05K1/00; H05K1/02; H05K1/14; H05K1/144
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A SMALL CERAMIC WAFER FOR USE IN ELECTRICAL ASSEMBLIES OF MODULAR CONSTRUCTION CHARACTERIZED AS BEING OF GENERALLY SQUARE CONFIGURATION, SAID WAFER HAVING ESSENTIALLY THE SAME HEIGHT AND LENGTH OF A DIMENSION UNDER THREE-QUARTERS OF AN INCH, SAID WAFER HAVING A VERY SMALL THICKNESS DIMENSION, EACH OF THE SIDE EDGES OF SAID WAFER BEING FORMED WITH A PLURALITY OF NOTCHES SYMMETRICALLY DISPOSED INTERMEDIATE THE CORNERS OF SAID WAFER IN IDENTICALLY PREDETERMINED SPACED RELATIONSHIP TO EACH OTHER AND TO SAID CORNERS, AT LEAST TWO CORNERS OF SAID WAFER ADJACENT TO ONE SIDE EDGE BEING RELIEVED IN AN ASYMMETRICAL MANNER TO PROVIDE MEANS FOR POSITIVE ORIENTATION THEREOF, THE RELIEVED AREAS EACH BEING GENERALLY OF TRIANGULAR CONFIGURATION TO PROVIDE A WAFER BODY HAVING FIRST AND SECOND SHARPLY DIVERGENT MARGINAL SURFACES ON THE CORNERS ADJACENT SAID ONE SIDE EDGE, THE DIMENSIONS OF THE RELIEVED CORNER AREAS AS MEASURED IN THE PLANE OF SAID ONE SIDE EDGE BEING LESS THAN SAID PREDETERMINED SPACING OF SAID NOTCHES.
Claim 2
Dependent Claim
160 words
A SMALL CERAMIC WAFER FOR USE IN ELECTRICAL ASSEMBLIES OF MODULAR CONSTRUCTION CHARACTERIZED AS BEING OF GENERALLY SQUARE CONFIGURATION, SAID WAFER HAVING ESSENTIALLY THE SAME HEIGHT AND LENGTH OF A DIMENSION UNDER THREE-QUARTERS OF AN INCH, SAID WAFER HAVING A VERY SMALL THICKNESS DIMENSION, EACH OF THE SIDE EDGES OF SAID WAFER BEING FORMED WITH A PLURALITY OF NOTCHES SYMMETRICALLY DISPOSED INTERMEDIATE THE CORNERS OF SAID WAFER IN IDENTICALLY PREDETERMINED SPACED RELATIONSHIP TO EACH OTHER AND TO SAID CORNERS, AT LEAST TWO CORNERS OF SAID WAFER ADJACENT TO ONE SIDE EDGE BEING RELIEVED IN AN ASYMMETRICAL MANNER TO PROVIDE MEANS FOR POSITIVE ORIENTATION THEREOF, THE RELIEVED AREAS EACH BEING GENERALLY OF TRIANGULAR CONFIGURATION TO PROVIDE A WAFER BODY HAVING FIRST AND SECOND SHARPLY DIVERGENT MARGINAL SURFACES ON THE CORNERS ADJACENT SAID ONE SIDE EDGE, THE DIMENSIONS OF THE RELIEVED CORNER AREAS AS MEASURED IN THE PLANE OF SAID ONE SIDE EDGE BEING LESS THAN SAID PREDETERMINED SPACING OF SAID NOTCHES.
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) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |