US3359565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oscillograph stylus and support arm therefor
Assignee: Consolidated Electrodynamics Corp
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Filing: 1966-09-30
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Granted: 1967-12-19
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Expires: 1986-09-30
Abstract
No abstract record available.
Inventors
- 👤 Griffith Neil John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:54
CPC Classifications
G; G01; G01D; G01D15/00; G01D15/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A STYLUS FOR A HEAT-WRITING RECORDING OSCILLOGRAPH AND THE LIKE COMPRISING A PAIR OF CONCENTRIC TUBULAR ELEMENTS FABRICATED OF ELECTRICALLY CONDUCTIVE MATERIAL HAVING HIGH RESISTIVITY AND HIGH STRENGTH AT ELEVATED TEMPERATURES, ELECTRICALLY NONCONDUCTIVE INSULATION MEANS DISPOSED BETWEEN THE TUBULAR ELEMENTS FOR NONCONDUCTIVELY MOUNTING THE ELEMENTS TO EACH OTHER, THE INSULATION MEANS HAVING A COEFFICIENT OF THERMAL EXPANSION SUBSTANTIALLY EQUAL TO THE COEFFICIENT OF THERMAL EXPANSION OF THE TUBULAR ELEMENTS, MEANS CONDUCTIVELY INTERCONNECTING THE TUBULAR ELEMENTS, MEANS CONDUCTIVELY INTERCONNECTING THE TUBULAR ELEMENTS AT ONE END OF THE PAIR, MEANS MOUNTING THE SAID PAIR, AND ELECTRICAL CONDUCTOR MEANS CONNECTED TO EACH ELEMENT AT A LOCATION THEREALONG SPACED FROM SAID ONE END OF THE PAIR FOR ELECTRICALLY ENERGIZING THE TUBULAR ELEMENTS FOR HEATING THE SAME.
Claim 2
Dependent Claim
122 words
A STYLUS FOR A HEAT-WRITING RECORDING OSCILLOGRAPH AND THE LIKE COMPRISING A PAIR OF CONCENTRIC TUBULAR ELEMENTS FABRICATED OF ELECTRICALLY CONDUCTIVE MATERIAL HAVING HIGH RESISTIVITY AND HIGH STRENGTH AT ELEVATED TEMPERATURES, ELECTRICALLY NONCONDUCTIVE INSULATION MEANS DISPOSED BETWEEN THE TUBULAR ELEMENTS FOR NONCONDUCTIVELY MOUNTING THE ELEMENTS TO EACH OTHER, THE INSULATION MEANS HAVING A COEFFICIENT OF THERMAL EXPANSION SUBSTANTIALLY EQUAL TO THE COEFFICIENT OF THERMAL EXPANSION OF THE TUBULAR ELEMENTS, MEANS CONDUCTIVELY INTERCONNECTING THE TUBULAR ELEMENTS, MEANS CONDUCTIVELY INTERCONNECTING THE TUBULAR ELEMENTS AT ONE END OF THE PAIR, MEANS MOUNTING THE SAID PAIR, AND ELECTRICAL CONDUCTOR MEANS CONNECTED TO EACH ELEMENT AT A LOCATION THEREALONG SPACED FROM SAID ONE END OF THE PAIR FOR ELECTRICALLY ENERGIZING THE TUBULAR ELEMENTS FOR HEATING THE SAME.
References Cited (Backward Citations)
US3163491A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |