US3074066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spark burning recorder
Assignee: Radiation Inc
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Filing: 1960-02-11
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Granted: 1963-01-15
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Expires: 1980-02-11
Abstract
No abstract record available.
Inventors
- 👤 Conerly Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:04
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/385; B41J2/425; G; G01; G01D; G01D15/00; G01D15/06; G01D15/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A SYSTEM FOR RECORDING ON ELECTRO-SENSITIVE RECORDING PAPER BY MEANS OF A STYLUS IN CONTACT THEREWITH, SAID PAPER HAVING THE CHARACTERISTIC OF BEING NORMALLY CONDUCTIVE AND BECOMING NON-CONDUCTIVE AT THE AREA OF CONTACT BY SAID STYLUS IN RESPONSE TO CURRENT FLOW THROUGH SAID STYLUS, COMPRISING A SOURCE OF VOLTAGE, A CONDENSER, MEANS CONNECTING SAID SOURCE OF VOLTAGE TO SAID CONDENSER VIA SAID STYLUS, AND MEANS FOR AT WILL DISCHARGING SAID CONDENSER VIA A CIRCUIT IN PARALLEL WITH SAID SOURCE OF VOLTAGE AND SAID STYLUS.
Claim 2
Independent Claim
84 words
A SYSTEM FOR RECORDING ON ELECTRO-SENSITIVE RECORDING PAPER BY MEANS OF A STYLUS IN CONTACT THEREWITH, SAID PAPER HAVING THE CHARACTERISTIC OF BEING NORMALLY CONDUCTIVE AND BECOMING NON-CONDUCTIVE AT THE AREA OF CONTACT BY SAID STYLUS IN RESPONSE TO CURRENT FLOW THROUGH SAID STYLUS, COMPRISING A SOURCE OF VOLTAGE, A CONDENSER, MEANS CONNECTING SAID SOURCE OF VOLTAGE TO SAID CONDENSER VIA SAID STYLUS, AND MEANS FOR AT WILL DISCHARGING SAID CONDENSER VIA A CIRCUIT IN PARALLEL WITH SAID SOURCE OF VOLTAGE AND SAID STYLUS.
References Cited (Backward Citations)
US2836479A
Cited
GB798092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |