US3302301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for drying and treating of hair via ultrasonics
Assignee: Engineering and Development Company of Colorado
•
Filing: 1966-06-06
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Granted: 1967-02-07
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Expires: 1986-06-06
Abstract
No abstract record available.
Inventors
- 👤 Ralph W Goble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:18
CPC Classifications
A; A45; A45D; A45D20/00; A45D20/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
IN A HAIR DRYER, A HOUSING HAVING AN INLET AND AN OUTLET, A BLOWER MOUNTED IN SAID HOUSING FOR FORCING AIR THROUGH SAID HOUSING, A HEAD ENCIRCLING HOOD MEANS HAVING A CAVITY TO RECEIVE THE HEAD CONNECTED TO SAID HOUSING OUTLET FOR RECEIVING AIR THEREFROM AND ULTRASONIC GENERATOR MEANS MOUNTED DOWNSTREAM OF SAID BLOWER
Claim 2
Dependent Claim
54 words
IN A HAIR DRYER, A HOUSING HAVING AN INLET AND AN OUTLET, A BLOWER MOUNTED IN SAID HOUSING FOR FORCING AIR THROUGH SAID HOUSING, A HEAD ENCIRCLING HOOD MEANS HAVING A CAVITY TO RECEIVE THE HEAD CONNECTED TO SAID HOUSING OUTLET FOR RECEIVING AIR THEREFROM AND ULTRASONIC GENERATOR MEANS MOUNTED DOWNSTREAM OF SAID BLOWER
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |