US4247178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clip-on sunglasses
Assignee: Individual
•
Filing: 1979-04-30
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Granted: 1981-01-27
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Expires: 1999-04-30
Abstract
Abstract A snap-on construction for sunglasses of the type used with wire frame spectacles having a reinforcing wire or bar extending from the upper edge of one spectacle lens to the upper edge of the other lens. The sunglasses include a support frame member to which the pair of lenses are secured at least at an upper portion thereof and a pair of spaced posts extend rearwardly from the support frame. Each post includes a slot opening into the rear end thereof for receiving the reinforcing bar of the wire frames, and a locking bar selectively snaps into the slots behind the reinforcing bar to retain the sunglasses assembled on the spectacles.
Inventors
- 👤 Joseph E. Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:47
CPC Classifications
G; G02; G02C; G02C9/00; G02C9/04
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
142 words
Clip-on sunglasses for use on spectacles of the type including wire frames and a reinforcing wire or bar extending from the upper edge of one spectacle lens to the upper edge of the other spectacle lens, said sunglasses comprising: (a) a frame member and a pair of lenses, at least an upper portion of each of said lenses being secured to said frame member; (b) an attachment means extending rearwardly from said frame member and including (i) a pair of spaced posts, a slot opening into the rear end of each of said posts for receiving said spectacle reinforcing bar; (ii) a locking bar removably received in said slots behind said spectacle reinforcing bar, said locking bar being of such size with relationship to said slots as to be held snugly therein to retain said sunglasses and sunglasses in the assembled condition.
Claim 2
Dependent Claim
142 words
Clip-on sunglasses for use on spectacles of the type including wire frames and a reinforcing wire or bar extending from the upper edge of one spectacle lens to the upper edge of the other spectacle lens, said sunglasses comprising: (a) a frame member and a pair of lenses, at least an upper portion of each of said lenses being secured to said frame member; (b) an attachment means extending rearwardly from said frame member and including (i) a pair of spaced posts, a slot opening into the rear end of each of said posts for receiving said spectacle reinforcing bar; (ii) a locking bar removably received in said slots behind said spectacle reinforcing bar, said locking bar being of such size with relationship to said slots as to be held snugly therein to retain said sunglasses and sunglasses in the assembled condition.
Claim 3
Dependent Claim
40 words
Clip-on sunglasses according to claim 1 wherein the walls forming said slot in said posts includes a forwardly conveying front portion and an enlarged, substantially arcuate rear portion, wherein spectacle frames having reinforcing bars of varying sizes may be accommodated.
Claim 4
Dependent Claim
26 words
Clip-on sunglasses according to claim 1 wherein said locking bar is provided with securing means to ensure a relatively tight fit between the sunglasses and spectacles.
Claim 5
Dependent Claim
31 words
Clip-on sunglasses according to claim 3 wherein said securing means includes bulbous portions at the ends of said locking bar for pressing against the frame portion of said spectacles when assembled.
Claim 6
Dependent Claim
28 words
Clip-on sunglasses according to claim 3 wherein the length of said locking bar is such that it engages the frame portion of said spectacles in the assembled position.
References Cited (Backward Citations)
US3413057A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-01-27 | 1984-07-28 | 1985-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-01-27 | 1988-07-28 | 1989-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-01-27 | 1992-07-28 | 1993-01-27 | $7700.00 | Window Closed / Lapsed |