Patent US3419752A successfully refreshed from Google Patents.
US3419752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple spark printer
Assignee: US Philips Corp
•
Filing: 1965-09-10
•
Granted: 1968-12-31
•
Expires: 1985-09-10
Abstract
No abstract record available.
Inventors
- 👤 Schmidt Siegfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:33
CPC Classifications
G; G06; G06K; G06K1/00; G06K1/12; G06K1/128; B; B26; B26F; B26F1/00; B26F1/26; B26F1/28; H; H01; H01T; H01T2/00; H01T2/02; H04; H04N; H04N1/00; H04N1/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A MULTIPLE SPARK PRINTER COMPRISING MEANS DEFINING A PLURALITY OF SPARK GAPS, EACH SAID SPARK GAP INCLUDING A PAIR OF SPARK ELECTRODES IN SPACED OPPOSED RELATION, CAPACITOR MEANS COUPLED WITH EACH SAID PAIR OF SPARK ELECTRODES; SAID CAPACITOR MEANS COMPRISING A FIRST CAPACITOR ELECTRODE SANDWICHED BETWEEN A PAIR OF DIELECTRIC MEMBERS, SAID FIRST CAPACITOR ELECTRODE BEING CONNECTED WITH ONE SAID SPARK ELECTRODE, AND A SECOND CAPACITOR ELECTRODE ON EACH SAID DIELECTRIC MEMBER REMOTE FROM SAID FIRST CAPACITOR ELECTRODE, SAID SECOND CAPACITOR ELECTRODE BEING CONNECTED WITH THE OTHER OF SAID SPARK ELECTRODES, AND LEAD-IN CONDUCTOR MEANS COUPLED WITH SAID CAPACITOR ELECTRODES.
Claim 2
Dependent Claim
100 words
A MULTIPLE SPARK PRINTER COMPRISING MEANS DEFINING A PLURALITY OF SPARK GAPS, EACH SAID SPARK GAP INCLUDING A PAIR OF SPARK ELECTRODES IN SPACED OPPOSED RELATION, CAPACITOR MEANS COUPLED WITH EACH SAID PAIR OF SPARK ELECTRODES; SAID CAPACITOR MEANS COMPRISING A FIRST CAPACITOR ELECTRODE SANDWICHED BETWEEN A PAIR OF DIELECTRIC MEMBERS, SAID FIRST CAPACITOR ELECTRODE BEING CONNECTED WITH ONE SAID SPARK ELECTRODE, AND A SECOND CAPACITOR ELECTRODE ON EACH SAID DIELECTRIC MEMBER REMOTE FROM SAID FIRST CAPACITOR ELECTRODE, SAID SECOND CAPACITOR ELECTRODE BEING CONNECTED WITH THE OTHER OF SAID SPARK ELECTRODES, AND LEAD-IN CONDUCTOR MEANS COUPLED WITH SAID CAPACITOR ELECTRODES.
References Cited (Backward Citations)
US1683590A
Cited
US2618765A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |