US4335168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair styler extrusion
Assignee: Capella Inc
•
Filing: 1980-08-26
•
Granted: 1982-06-15
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Expires: 2000-08-26
Abstract
Abstract An extrusion consisting of a tube having a circular outer cross section, a number of equidistantly spaced, radially extending, elongate ridges around the tube, and a groove between each pair of adjacent ridges.
Inventors
- 👤 Rayko Ergaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:41
CPC Classifications
A; A46; A46D; A46D1/00; A46B; A46B3/00; A46B3/005; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/1352; Y10T428/139; Y10T428/24; Y10T428/24744
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
96 words
An extrusion forming a hair styler consisting of a generally cylindrical tube having a circular outer cross section, a plurality of radially, outwardly extending elongate ridges spaced equidistantly around the tube and extending longitudinally along the tube, the base of each ridge being integral with the tube, and a groove between each pair of adjacent ridges, each groove being formed between ridge projections extending transversely from adjacent sides of adjacent ridges and spaced from and adjacent to said base, said ridge projections each being defined by a pair of walls extending outwardly from the respective ridge.
Claim 2
Dependent Claim
96 words
An extrusion forming a hair styler consisting of a generally cylindrical tube having a circular outer cross section, a plurality of radially, outwardly extending elongate ridges spaced equidistantly around the tube and extending longitudinally along the tube, the base of each ridge being integral with the tube, and a groove between each pair of adjacent ridges, each groove being formed between ridge projections extending transversely from adjacent sides of adjacent ridges and spaced from and adjacent to said base, said ridge projections each being defined by a pair of walls extending outwardly from the respective ridge.
Claim 3
Dependent Claim
21 words
The extrusion of claim 1, wherein the facing ridge projections of adjacent ridges together form the groove between the adjacent ridges.
Claim 4
Dependent Claim
17 words
The extrusion of claim 1, wherein the extending walls extend from the ends of the ridge projections.
Claim 5
Dependent Claim
21 words
The extrusion of claim 1, wherein the extending walls extend from a location inward from the ends of the ridge projections.
Claim 6
Dependent Claim
18 words
The extrusion of claims 1, wherein the radially outer ends of the extending walls meet in a point.
Claim 7
Dependent Claim
19 words
The extrusion of claims 1, wherein the radially outer ends of the extending walls meet in a rounded end.
Claim 8
Dependent Claim
20 words
The extrusion of claims 3 or 4, wherein the radially outer ends of the extending walls meet in a point.
Claim 9
Dependent Claim
21 words
The extrusion of claims 3 or 4, wherein the radially outer ends of the extending walls meet in a rounded end.
Claim 10
Dependent Claim
17 words
The extrusion of claims 1, wherein the tube has a central, longitudinal aperture of circular cross section.
Claim 11
Dependent Claim
17 words
The extrusion of claims 1, wherein the tube includes a central, longitudinal aperture of rectangular cross section.
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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) | 1985-06-14 | 1985-12-14 | 1986-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-06-14 | 1989-12-14 | 1990-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-06-14 | 1993-12-14 | 1994-06-15 | $7700.00 | Window Closed / Lapsed |