Patent US3294092A successfully refreshed from Google Patents.
US3294092A
Expired / Lapsed
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Therapeutic apparatus
Assignee: Individual
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Filing: 1965-09-13
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Granted: 1966-12-27
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Expires: 1985-09-13
Abstract
No abstract record available.
Inventors
- 👤 Fred S Landauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:32
CPC Classifications
A; A61; A61H; A61H23/00; A61H23/02; A61N; A61N1/00; A61N1/18; A61N1/32; A61N1/36; A61N1/36014; A61N1/3603; A61N1/36034; A61H2023/0209; A61H2201/00; A61H2201/10; A61N1/36003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
186 words
AN ELECTRICAL THERAPEUTIC APPARATUS COMPRISING A SOURCE OF ELECTRICAL ENERGY; A PAIR OF APPLICATORS FOR APPLYING ELECTRICAL CURRENTS TO A PATIENT; LEAD MEANS FOR CONNECTING ONE OF SAID PAIR OF APPLICATORS TO ONE SIDE OF SAID SOURCE; MEANS FOR LIMITING THE FLOW OF CURRENT FROM SAID SOURCE TO SAID APPLICATORS; SAID LIMITING MEANS COMPRISING A FIRST IMPEDANCE CONNECTED TO SAID SOURCE, SECOND IMPEDANCE MEANS HAVING A PLURALITY OF DETERMINABLE VALUES SERIALLY CONNECTED WITH SAID FIRST IMPEDANCE, FIRST SWITCHING MEANS FOR CONNECTING TO THE OTHER APPLICATOR GRADUATED VALUES OF SAID SECOND IMPEDANCE MEANS TO PRODUCE A GRADUALLY INCREASING AND THEN GRADUALLY DECREASING VALUE OF CURRENTS APPLIED TO SAID PAIR OF APPLICATORS DURING THE FIRST PORTION OF A CYCLE OF OPERATION OF SAID APPARATUS, AND SECOND SWITCH MEANS FOR CONNECTING TO SAID OTHER APPLICATOR SAID FIRST IMPEDANCE TO PRODUCE A CONSTANT VALUE OF CURRENT APPLIED TO SAID PAIR OF APPLICATORS DURING A SECOND PORTION OF A CYCLE OF OPERATION OF SAID APPARATUS; AND MEANS FOR SEQUENTIALLY OPERATING SAID FIRST AND SECOND SWITCH MEANS TO PRODUCE ELECTRIC CURRENTS HAVING DIFFERENT CHARACTERISTICS DURING A CYCLE OF OPERATION OF SAID APPARATUS.
Claim 2
Dependent Claim
186 words
AN ELECTRICAL THERAPEUTIC APPARATUS COMPRISING A SOURCE OF ELECTRICAL ENERGY; A PAIR OF APPLICATORS FOR APPLYING ELECTRICAL CURRENTS TO A PATIENT; LEAD MEANS FOR CONNECTING ONE OF SAID PAIR OF APPLICATORS TO ONE SIDE OF SAID SOURCE; MEANS FOR LIMITING THE FLOW OF CURRENT FROM SAID SOURCE TO SAID APPLICATORS; SAID LIMITING MEANS COMPRISING A FIRST IMPEDANCE CONNECTED TO SAID SOURCE, SECOND IMPEDANCE MEANS HAVING A PLURALITY OF DETERMINABLE VALUES SERIALLY CONNECTED WITH SAID FIRST IMPEDANCE, FIRST SWITCHING MEANS FOR CONNECTING TO THE OTHER APPLICATOR GRADUATED VALUES OF SAID SECOND IMPEDANCE MEANS TO PRODUCE A GRADUALLY INCREASING AND THEN GRADUALLY DECREASING VALUE OF CURRENTS APPLIED TO SAID PAIR OF APPLICATORS DURING THE FIRST PORTION OF A CYCLE OF OPERATION OF SAID APPARATUS, AND SECOND SWITCH MEANS FOR CONNECTING TO SAID OTHER APPLICATOR SAID FIRST IMPEDANCE TO PRODUCE A CONSTANT VALUE OF CURRENT APPLIED TO SAID PAIR OF APPLICATORS DURING A SECOND PORTION OF A CYCLE OF OPERATION OF SAID APPARATUS; AND MEANS FOR SEQUENTIALLY OPERATING SAID FIRST AND SECOND SWITCH MEANS TO PRODUCE ELECTRIC CURRENTS HAVING DIFFERENT CHARACTERISTICS DURING A CYCLE OF OPERATION OF SAID APPARATUS.
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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |