US3255753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical sleep machine and sleep inducing method
Assignee: National Patent Development Corp
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Filing: 1963-03-22
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Granted: 1966-06-14
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Expires: 1983-03-22
Abstract
No abstract record available.
Inventors
- 👤 Wing Omar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:39
CPC Classifications
A; A61; A61M; A61M21/00; A61N; A61N1/00; A61N1/18; A61N1/32; A61N1/36; A61N1/36014; A61N1/3603; A61N1/36034
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
AN APPARATUS FOR INDUCING SLEEP IN A PATIENT COMPRISING, IN COMBINATION, CIRCUIT FOR GENERATING A PULSE WAVE TRAIN CHARACTERIZED BY APULSE REPETITION RAE OF 30 TO 40 CYCLES PER SECOND, A PULSE AMPLITUDE OF 18 TO 24 VOLTS, AND A PULSE WIDTH OF APPROXIMATELY 1.8 TO 2.0 MILLISECONDS WHEREBY SAID WAVE TRAIN IS ADAPTED TO INDUCE SLEEP IN THE PATIENT; RECHARGEABLE BATTERY MEANS ADAPTED FOR CONNECTION TO A 110 VOLT A.C. MAIN FOR CHARGING AND RECHARGIN; RECTIFIER MEANS CONNECTABLE AT THE WILL OF THE OPERATOR BETWEEN THE BATTERY MEANS AND THE A.C. MAIN; SWITCH MEANS FOR CONNECTING THE BATTERY MEANS TO ONLY ONE OF THE CHARGING MAIN AND THE CIRCUIT MEANS AT ANY GIVEN TIME; APPLICATOR MEANS ADAPTED TO FIT THE HEAD OF THE PATIENT; AND ISOLATION MEANS COMPRISING AN EMITTERFOLLOWER-CONNECTED TRANSISTOR CIRCUIT CONNECTED BETWENE THE BATTERY MEANS AND THE APPLICATOR MEANS TO PASS THE PULSE WAVE TRAIN TO THE APPLICATOR MEANS AND FOR PRECLUDING INFLUENCE OF IMPEDANCE CHANGES IN THE PATIENT FROM BEING REFLECTED BACK INTO THE CIRCUIT MEANS.
Claim 2
Independent Claim
170 words
AN APPARATUS FOR INDUCING SLEEP IN A PATIENT COMPRISING, IN COMBINATION, CIRCUIT FOR GENERATING A PULSE WAVE TRAIN CHARACTERIZED BY APULSE REPETITION RAE OF 30 TO 40 CYCLES PER SECOND, A PULSE AMPLITUDE OF 18 TO 24 VOLTS, AND A PULSE WIDTH OF APPROXIMATELY 1.8 TO 2.0 MILLISECONDS WHEREBY SAID WAVE TRAIN IS ADAPTED TO INDUCE SLEEP IN THE PATIENT; RECHARGEABLE BATTERY MEANS ADAPTED FOR CONNECTION TO A 110 VOLT A.C. MAIN FOR CHARGING AND RECHARGIN; RECTIFIER MEANS CONNECTABLE AT THE WILL OF THE OPERATOR BETWEEN THE BATTERY MEANS AND THE A.C. MAIN; SWITCH MEANS FOR CONNECTING THE BATTERY MEANS TO ONLY ONE OF THE CHARGING MAIN AND THE CIRCUIT MEANS AT ANY GIVEN TIME; APPLICATOR MEANS ADAPTED TO FIT THE HEAD OF THE PATIENT; AND ISOLATION MEANS COMPRISING AN EMITTERFOLLOWER-CONNECTED TRANSISTOR CIRCUIT CONNECTED BETWENE THE BATTERY MEANS AND THE APPLICATOR MEANS TO PASS THE PULSE WAVE TRAIN TO THE APPLICATOR MEANS AND FOR PRECLUDING INFLUENCE OF IMPEDANCE CHANGES IN THE PATIENT FROM BEING REFLECTED BACK INTO THE CIRCUIT MEANS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |