US4277172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soft contact lens apparatus
Assignee: Leica Microsystems Inc
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Filing: 1979-11-05
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Granted: 1981-07-07
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Expires: 1999-11-05
Abstract
Abstract Improved apparatus for transporting and positioning a contact lens immersed in a liquid for inspection is disclosed. The device has a plurality of supporting surfaces and a weight to biase the lens against the surfaces during immersion and prevent unintentional motion of the lens in the liquid during inspection.
Inventors
- 👤 William D. Richards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:33
CPC Classifications
G; G02; G02C; G02C13/00; G02C13/008
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
78 words
Apparatus for transporting a soft contact lens and positioning the lens in a liquid for inspection which, comprises a main body member, a plurality of depending fingers extending from said member, each of said fingers having a lens supporting surface, said plurality of fingers defining a discontinuous recepticle for receiving the lens with clearance therearound, and weight means being adapted to rest on a lens positioned in the recepticle for reducing unintentional mvoement when immersed in the liquid.
Claim 2
Dependent Claim
78 words
Apparatus for transporting a soft contact lens and positioning the lens in a liquid for inspection which, comprises a main body member, a plurality of depending fingers extending from said member, each of said fingers having a lens supporting surface, said plurality of fingers defining a discontinuous recepticle for receiving the lens with clearance therearound, and weight means being adapted to rest on a lens positioned in the recepticle for reducing unintentional mvoement when immersed in the liquid.
Claim 3
Dependent Claim
11 words
The apparatus according to claim 1 wherein there are three fingers.
Claim 4
Dependent Claim
13 words
The apparatus according to claim 1 wherein said weight means is ring shaped.
Claim 5
Dependent Claim
13 words
The apparatus according to claim 2 wherein said weight means is ring shaped.
Claim 6
Dependent Claim
16 words
The apparatus according to claim 2 wherein each finger has a flange extending into the recepticle.
Claim 7
Dependent Claim
33 words
The apparatus according to claim 4 wherein said main body has a plurality of parallel passages and a plurality of parallel longitudinal members extending upwardly from said weight means slidably engaging said passages.
Claim 8
Dependent Claim
43 words
A combination which comprises a lens inspection device having an optical axis, a container with a liquid located on said axis, a pedestal on said axis and immersed in the liquid for supporting a lens during inspection and the apparatus of claim 1.
Claim 9
Dependent Claim
43 words
A combination which comprises a lens inspection device having an optical axis, a container with a liquid located on said axis, a pedestal on said axis and immersed in the liquid for supporting a lens during inspection and the apparatus of claim 4.
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) | 1984-07-06 | 1985-01-05 | 1985-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-07-06 | 1989-01-05 | 1989-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-07-06 | 1993-01-05 | 1993-07-07 | $7700.00 | Window Closed / Lapsed |