US3609879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair dryer bonnet
Assignee: Proctor Silex Inc
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Filing: 1970-06-01
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Granted: 1971-10-05
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Expires: 1990-06-01
Abstract
Abstract A SELF-SUPPORTING INFLATABLE HAIR DRYER BONNET OF FLEXIBLE MATERIAL THAT IN USE DOES NOT REQUIRE DRAW STRINGS, ELASTIC BANDS, HIN STRPS OR A SUPPORT FRAME TO MAINTAIN IT ON THE HEAD OF THE USER. THE BONNET IS ADAPTED TO ENGAGE THE FRONTAL PORTION OF THE HEAD OF THE USER AND FREELY EXHAUST EXPENDED AIR FROM ITS INTERIOR INTO THE ATMOSPHERE THROUGH A LOOSE FIT THAT IS MAINTAINED ABOUT THE FACIAL, NECK AND SHOULDER AREAS OF THE USER. THE BONNET IS READILY ADJUSTABLE TO ACCOMMODATE VARIOUS SIZE HEADS.
Inventors
- 👤 Raymond Lewis Hanisco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:46
CPC Classifications
A; A45; A45D; A45D20/00; A45D20/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-04 | 1975-04-05 | 1975-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-04 | 1979-04-05 | 1979-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-04 | 1983-04-05 | 1983-10-05 | $7700.00 | Window Closed / Lapsed |