US4408622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fingernail extension
Assignee: Revlon Consumer Products LLC
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Filing: 1981-04-27
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Granted: 1983-10-11
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Expires: 2001-04-27
Abstract
Abstract An artificial fingernail extension having formed a wedge shaped pocket at the rearward end, the convex edge of the natural fingernail is inserted into said pocket and securely bonded thereto.
Inventors
- 👤 Carl H. Meyerhoefer
- 👤 Carl E. Meyerhoefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:15
CPC Classifications
A; A45; A45D; A45D31/00
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
75 words
An artificial fingernail extension attachable to a natural fingernail comprising: (a) A nail extension body having a forwardmost edge, and (b) a rearward concave distal upper edge and a rearward concave lower edge forming a wedge shaped arcuate pocket to receive and conform generally to the shape of the convex forward edge of the natural fingernail to position the artificial nail so that it will overlap and underlap the natural nail and be bonded thereto.
Claim 2
Dependent Claim
75 words
An artificial fingernail extension attachable to a natural fingernail comprising: (a) A nail extension body having a forwardmost edge, and (b) a rearward concave distal upper edge and a rearward concave lower edge forming a wedge shaped arcuate pocket to receive and conform generally to the shape of the convex forward edge of the natural fingernail to position the artificial nail so that it will overlap and underlap the natural nail and be bonded thereto.
Claim 3
Dependent Claim
93 words
An artificial fingernail extension attachable to a natural fingernail comprising: (a) A nail extension body having a forwardmost edge, and (b) a rearward concave distal upper edge and a rearward concave lower edge forming a wedge shaped arcuate pocket to receive and conform generally to the shape of the convex forward edge of the natural fingernail to position the artificial nail so that it will overlap and underlap the natural nail and be bonded thereto, wherein said rearward lower edge is sectioned to assure transverse conformance with the curvature of the natural nail.
Claim 4
Dependent Claim
93 words
An artificial fingernail extension attachable to a natural fingernail comprising: (a) A nail extension body having a forwardmost edge, and (b) a rearward concave distal upper edge and a rearward concave lower edge forming a wedge shaped arcuate pocket to receive and conform generally to the shape of the convex forward edge of the natural fingernail to position the artificial nail so that it will overlap and underlap the natural nail and be bonded thereto, wherein said rearward lower edge is sectioned to assure transverse conformance with the curvature of the natural nail.
Claim 5
Dependent Claim
16 words
The artificial nail extension of claim 2 wherein the rearward concave distal upper edge is tapered.
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) | 1986-10-10 | 1987-04-11 | 1987-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-10-10 | 1991-04-11 | 1991-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-10-10 | 1995-04-11 | 1995-10-11 | $7700.00 | Window Closed / Lapsed |