Patent US3078850A successfully refreshed from Google Patents.
US3078850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrochemotherapeutic cardiac device
Assignee: IMPERIAL ELECTRONICS Inc
•
Filing: 1960-08-26
•
Granted: 1963-02-26
•
Expires: 1980-08-26
Abstract
No abstract record available.
Inventors
- 👤 Schein Henry
- 👤 Kelter Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:11
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61N; A61N1/00; A61N1/18; A61N1/32; A61N1/36; A61N1/362; A61N1/3629; A61M2205/00; A61M2205/05; A61M2205/054
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
AN ELECTROCHEMOTHERAPEUTIC CARDIAC DEVICE COMPRISING A HYPODERMIC SYRINGE HAVING A HYPODERMIC NEEDLE WITH AN ELECTRICALLY CONDUCTIVE HOLLOW LIQUID-CONDUCTING CANNULA, AN ELECTRICALLY NON-CONDUCTIVE SHEATH SURROUNDING A SUBSTANTIAL PORTION OF THE LENGTH OF THE CANNULA AND LEAVING THE TIP BARE, A SOURCE OF ELECTRIC PULSES HAVING A VOLTAGE IN THE ORDER OF 2.5 TO 7 VOLTS AND A PEAK CURRENT IN THE ORDER OF 24 MILLIAMPERES, SAID SOURCE OF PULSES HAVING A PAIR OF OUTPUT TERMINALS, SAID PULSES HAVING A REPETITION FREQUENCY OF APPROXIMATELY THE SAME FREQUENCY AS HUMAN HEART BEATS, CIRCUIT MEANS CONNECTING ONE OF SAID TERMINALS TO SAID CANNULA, A BODY ELECTRODE, AND CIRCUIT MEANS CONNECTING THE OTHER TERMINAL TO THE BODY ELECTRODE.
Claim 2
Dependent Claim
113 words
AN ELECTROCHEMOTHERAPEUTIC CARDIAC DEVICE COMPRISING A HYPODERMIC SYRINGE HAVING A HYPODERMIC NEEDLE WITH AN ELECTRICALLY CONDUCTIVE HOLLOW LIQUID-CONDUCTING CANNULA, AN ELECTRICALLY NON-CONDUCTIVE SHEATH SURROUNDING A SUBSTANTIAL PORTION OF THE LENGTH OF THE CANNULA AND LEAVING THE TIP BARE, A SOURCE OF ELECTRIC PULSES HAVING A VOLTAGE IN THE ORDER OF 2.5 TO 7 VOLTS AND A PEAK CURRENT IN THE ORDER OF 24 MILLIAMPERES, SAID SOURCE OF PULSES HAVING A PAIR OF OUTPUT TERMINALS, SAID PULSES HAVING A REPETITION FREQUENCY OF APPROXIMATELY THE SAME FREQUENCY AS HUMAN HEART BEATS, CIRCUIT MEANS CONNECTING ONE OF SAID TERMINALS TO SAID CANNULA, A BODY ELECTRODE, AND CIRCUIT MEANS CONNECTING THE OTHER TERMINAL TO THE BODY ELECTRODE.
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) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |