US3804236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective holder for soft contact lens
Assignee: Menicon Co Ltd
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Filing: 1972-10-13
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Granted: 1974-04-16
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Expires: 1992-10-13
Abstract
Abstract A protective holder for a soft contact lens, which holds the lens against any undesirable displacement during storage in a container when it is not being worn, keeps the lens in a sterile condition, and protects the lens against being damaged during insertion into or removal from the container. This invention relates to a holder which keeps a soft contact lens safe from being scratched when it is put into or taken out of a case, and which keeps the lens clean when it is held within the case.
Inventors
- 👤 K Tanaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:57
CPC Classifications
A; A45; A45C; A45C11/00; A45C11/005
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
144 words
A protective holder for a soft contact lens comprising a hollow cylindrical support having two ends of which at least one end is open and which is adapted to receive a lens therein, the inside diameter and length of said cylindrical support being slightly larger than the diameter of said contacts lens whereby said lens may be supported between opposed inner surfaces of said cylindrical support to keep the lens in sterile condition and to protect the lens against damage during insertion into and removal from said cylindrical support, a column connected to said cylindrical support, a base attached to said column, a hollow container receiving and cloSing said support therein enabling said support to emerse the lens in a fluid in said container, and base means further enabling removal of said support and the lens while protecting the fluid therein against finger contact.
Claim 2
Dependent Claim
144 words
A protective holder for a soft contact lens comprising a hollow cylindrical support having two ends of which at least one end is open and which is adapted to receive a lens therein, the inside diameter and length of said cylindrical support being slightly larger than the diameter of said contacts lens whereby said lens may be supported between opposed inner surfaces of said cylindrical support to keep the lens in sterile condition and to protect the lens against damage during insertion into and removal from said cylindrical support, a column connected to said cylindrical support, a base attached to said column, a hollow container receiving and cloSing said support therein enabling said support to emerse the lens in a fluid in said container, and base means further enabling removal of said support and the lens while protecting the fluid therein against finger contact.
Claim 3
Dependent Claim
18 words
The invention as claimed in claim 1 in which the open end of said cylindrical support is curved.
Claim 4
Dependent Claim
18 words
The invention as claimed in claim 1 in which the open end of said cylindrical support is straight.
Claim 5
Dependent Claim
16 words
The invention of claim 1 wherein at least one vent is located in said cylindrical support.
Claim 6
Dependent Claim
14 words
The invention of claim 1 wherein said support has an attached contact lens mount.
Claim 7
Dependent Claim
63 words
The apparatus of claim 1 wherein said base means includes an an outer edge which can be finger grasped and which is sufficiently large so as not to fit within said container and further including a lid which closes over said container and fixedly traps said base on closure, and said container is larger in diameter than the lens to be placed therein.
Claim 8
Dependent Claim
14 words
The apparatus of claim 6 including joinder means for securing two such containers together.
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) | 1977-04-15 | 1977-10-15 | 1978-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-15 | 1981-10-15 | 1982-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-15 | 1985-10-15 | 1986-04-16 | $7700.00 | Window Closed / Lapsed |