US4215474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair shears
Assignee: Individual
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Filing: 1978-10-30
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Granted: 1980-08-05
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Expires: 1998-10-30
Abstract
Abstract Shears for cutting or trimming hair are presented equipped with a device for indicating, to the hair-trimming stylist, the general angle relative to the horizontal at which the cut is being made. The indicating device disclosed is a spirit level with the usual single small bubble inside the level and, preferably with a plurality of marks spaced longitudinally of the level so that the angle is at least roughly indicated to the hair stylist.
Inventors
- 👤 Thomas G. Kelley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:48
CPC Classifications
B; B26; B26B; B26B13/00; B26B13/22; B26B13/24
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
132 words
Hair cutting shears, comprising two generally linear blade members, each having a hand-hold end and a pointed cutting end, a pivot connection between said blade members intermediate their ends securing them in parallel oscillatable cutting relationship, each of said blade members having on its inner side a longitudinally extending linear cutting edge extending from said pivot connection to said pointed cutting end, four spirit levels rigidly secured to said blade members, one spirit level on the outer face of each blade member adjacent said pivot connection on the hand-hold side thereof, and one spirit level on the outer edge of each blade member near its pointed cutting end and visible in the plane of said blade member from the outside, all of said spirit levels extending longitudinally of the associated blade member.
Claim 2
Dependent Claim
132 words
Hair cutting shears, comprising two generally linear blade members, each having a hand-hold end and a pointed cutting end, a pivot connection between said blade members intermediate their ends securing them in parallel oscillatable cutting relationship, each of said blade members having on its inner side a longitudinally extending linear cutting edge extending from said pivot connection to said pointed cutting end, four spirit levels rigidly secured to said blade members, one spirit level on the outer face of each blade member adjacent said pivot connection on the hand-hold side thereof, and one spirit level on the outer edge of each blade member near its pointed cutting end and visible in the plane of said blade member from the outside, all of said spirit levels extending longitudinally of the associated blade member.
Claim 3
Dependent Claim
39 words
Hair cutting shears as defined in claim 1, wherein said spirit levels have a plurality of equally spaced markings arranged along each said level, whereby a hair stylist using said shears, may make a cut at a predetermined level.
Claim 4
Dependent Claim
49 words
Hair cutting shears as defined in claim 1, wherein recesses are provided in said blade members, one for each of said spirit levels, said recesses of a depth to support each spirit level approximately with its upper face on the level with the adjacent part of said blade members.
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) | 1983-08-05 | 1984-02-04 | 1984-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-08-05 | 1988-02-04 | 1988-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-08-05 | 1992-02-04 | 1992-08-05 | $7700.00 | Window Closed / Lapsed |