US3254424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for drying and treating hair or other fibers via ultrasonics
Assignee: Engineering and Development Company of Colorado
•
Filing: 1963-07-23
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Granted: 1966-06-07
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Expires: 1983-07-23
Abstract
No abstract record available.
Inventors
- 👤 Ralph W Goble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:26
CPC Classifications
D; D06; D06B; D06B13/00; D06C; D06C7/00; D06C2700/00; D06C2700/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN A HAIR DRIER, A HOUSING HAVING AN INLET AND OUTLET, A FAN MOUNTED WITHIN SAID HOUSING FOR FORCING AIR THROUTH THE HOUSING, A CONDIUT CONNECTED TO RECEIVE AIR FROM THE SAID HOUSING OUTLET AND ADAPTED TO EJECT SAID AIR OUT OF SAID DRIER, A HEATING ELEMENT MOUNTED WITHIN SAID CONDUIT FOR HEATING THE AIR STREAM AS IT ENTERS THE CONDIUT AND A WHISTLE MOUNTED IN SAID CONDIUT IN THE FLOW OF HEATED AIR DOWNSTREAM OF THE HEATING ELEMENT AS THE AIR PASSES THROUGH THE CONDIUT, SAID WHISTLE IMPARTING AN ULTRASONIC MODULATION TO THE AIR STREAM PRIOR TO AND UPON ITS EMISSION FROM THE CONDUIT AND THUS OUTSIDE OF SAID CONDUIT SAID MODULATED AIR BEING EMPLOYED IN THE TREATING OF NATURAL AND SYNTHETIC FIBERS.
Claim 2
Dependent Claim
124 words
IN A HAIR DRIER, A HOUSING HAVING AN INLET AND OUTLET, A FAN MOUNTED WITHIN SAID HOUSING FOR FORCING AIR THROUTH THE HOUSING, A CONDIUT CONNECTED TO RECEIVE AIR FROM THE SAID HOUSING OUTLET AND ADAPTED TO EJECT SAID AIR OUT OF SAID DRIER, A HEATING ELEMENT MOUNTED WITHIN SAID CONDUIT FOR HEATING THE AIR STREAM AS IT ENTERS THE CONDIUT AND A WHISTLE MOUNTED IN SAID CONDIUT IN THE FLOW OF HEATED AIR DOWNSTREAM OF THE HEATING ELEMENT AS THE AIR PASSES THROUGH THE CONDIUT, SAID WHISTLE IMPARTING AN ULTRASONIC MODULATION TO THE AIR STREAM PRIOR TO AND UPON ITS EMISSION FROM THE CONDUIT AND THUS OUTSIDE OF SAID CONDUIT SAID MODULATED AIR BEING EMPLOYED IN THE TREATING OF NATURAL AND SYNTHETIC FIBERS.
References Cited (Backward Citations)
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US2624347A
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |