US3696818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair-drying comb
Assignee: Hamilton Beach Inc
•
Filing: 1971-04-01
•
Granted: 1972-10-10
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Expires: 1991-04-01
Abstract
Abstract A hair-drying comb having open teeth is supplied with heated air which flows into the comb housing and through slots aligned with the openings in the teeth. Drying air is thereby directed laterally into the hair held between the teeth.
Inventors
- 👤 Robert L Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:32
CPC Classifications
A; A45; A45D; A45D20/00; A45D20/52
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
137 words
A hair-drying comb comprising a hollow housing having a delivery duct and a plurality of individual downwardly facing, closely spaced parallel rectangular elongate slots arranged in a row, a plurality of individual generally V-shaped teeth, the teeth having a closed lower end and an open space above the lower end, the teeth being closely spaced in a row and each being secured at its upper ends to the housing at opposite ends respectively of a slot, so that the slots are aligned with the teeth respectively and the housing structure between the slots are aligned with the spaces between the teeth, the housing adapted to be supplied with a drying fluid through the duct for flow through the slots into the open spaces in the teeth and through the thin stacks of hair held between adjacent teeth.
Claim 2
Dependent Claim
137 words
A hair-drying comb comprising a hollow housing having a delivery duct and a plurality of individual downwardly facing, closely spaced parallel rectangular elongate slots arranged in a row, a plurality of individual generally V-shaped teeth, the teeth having a closed lower end and an open space above the lower end, the teeth being closely spaced in a row and each being secured at its upper ends to the housing at opposite ends respectively of a slot, so that the slots are aligned with the teeth respectively and the housing structure between the slots are aligned with the spaces between the teeth, the housing adapted to be supplied with a drying fluid through the duct for flow through the slots into the open spaces in the teeth and through the thin stacks of hair held between adjacent teeth.
Claim 3
Dependent Claim
40 words
A hair-drying comb as described in claim 1 wherein the housing is closed at one end and the delivery duct is at the other enD, and the housing is tapered toward the closed end in the area of the slots.
Claim 4
Dependent Claim
36 words
A hair drying comb as described in claim 1 wherein the slots are formed in a rectangular deflector plate comprising an insert in an opening in the housing, the plate having bridges between the slots, respectively.
References Cited (Backward Citations)
US847872A
Cited
US1005412A
Cited
US1408262A
Cited
US1859132A
Cited
US1891471A
Cited
US2235637A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-10 | 1976-04-10 | 1976-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-10 | 1980-04-10 | 1980-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-10 | 1984-04-10 | 1984-10-10 | $7700.00 | Window Closed / Lapsed |