US4919155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair clip
Assignee: Individual
•
Filing: 1989-03-08
•
Granted: 1990-04-24
•
Expires: 2009-03-08
Abstract
Abstract A hair clip includes a base plate, a spring board and a hair retainer rotatably connected to the base plate at its one end, the hair retainer having an engaging part whereby its free end is latched to the base plate such that the hair retainer is readily unlatched by fingers.
Inventors
- 👤 Masahiro Yasuda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:33
CPC Classifications
A; A45; A45D; A45D8/00; A45D8/02; A45D8/24; A45D8/26
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
136 words
A hair clip comprising: a base plate including a pair of brackets at one end and a pair of ledges at the other end; a hair retainer rotatably connected to the brackets at one end, said hair retainer having an engaging portion at the other end; a pair of arms projecting inwards from the insides of the ledges, each arm including a leg portion capable of overlapping with the leg portion of the other arm; said engaging portion including a central dented part and a pair of arched bridge parts at opposite sides of the dented part; and a ring placed between the central dented part and the arched bridge parts, said ring having a central opening for allowing the leg portions of the arms to fit in when they overlap with each other for unlatching.
Claim 2
Dependent Claim
136 words
A hair clip comprising: a base plate including a pair of brackets at one end and a pair of ledges at the other end; a hair retainer rotatably connected to the brackets at one end, said hair retainer having an engaging portion at the other end; a pair of arms projecting inwards from the insides of the ledges, each arm including a leg portion capable of overlapping with the leg portion of the other arm; said engaging portion including a central dented part and a pair of arched bridge parts at opposite sides of the dented part; and a ring placed between the central dented part and the arched bridge parts, said ring having a central opening for allowing the leg portions of the arms to fit in when they overlap with each other for unlatching.
Claim 3
Dependent Claim
52 words
The hair clip of claim 1, wherein said ring includes a pair of slots disposed in diametrically opposed peripheral parts thereof, said slots receiving guide posts disposed on the central dented part so that the ring is vertically slidable, but prevented from moving in an axial direction of the central dented part.
Claim 4
Dependent Claim
28 words
The hair clip of claim 2, wherein the central opening in the ring is a hole with a diameter not larger than the distance between the bridge parts.
Claim 5
Dependent Claim
29 words
The hair clip of claim 1, wherein the central opening of the ring is a hole with a diameter not larger than the distance between the arched bridge parts.
Claim 6
Dependent Claim
17 words
The hair clip of claim 1, wherein each of the leg portions has a rounded end portion.
Claim 7
Dependent Claim
42 words
The hair clip of claim 1, 2, 3, 4, or 5 further comprising an auxiliary spring board whose one end is fixedly secured to said base plate so as to bias the retainer from the base plate when hair release is effected.
References Cited (Backward Citations)
US2164940A
Cited
US2921589A
Cited
FR1222694A
Cited
US3565084A
Cited
US3704717A
Cited
US3841340A
Cited
US3805813A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-04-23 | 1993-10-23 | 1994-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-04-23 | 1997-10-23 | 1998-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-04-23 | 2001-10-23 | 2002-04-24 | $7700.00 | Window Closed / Lapsed |