US3768633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contact lens case
Assignee: OPTICASE
•
Filing: 1972-01-03
•
Granted: 1973-10-30
•
Expires: 1992-01-03
Abstract
Abstract A contact lens case comprising a lens-supporting platform, a cylindrical member and a cap, the cylindrical member being positionable over the platform to form a chamber for liquid, and the cap being positionable over the cylindrical member to close the chamber.
Inventors
- 👤 D Nathan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:09
CPC Classifications
A; A45; A45C; A45C11/00; A45C11/005
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
124 words
A contact lens case comprising, a. a cylindrical member having an open end, the other end being closed by a wall having a hole extending therethrough, which hole is smaller than the lens, b. a circular platform for supporting the lens and connected to the cylindrical member by a first flexible strap, said platform being adapted for insertion into the open end of the cylindrical member to form a container, c. a cap connected to the cylindrical member by a second flexible strap, said cap being adapted for insertion over the other end of the cylindrical member to close said container, d. first means for attaching the cylindrical member to the platform, and e. second means for attaching the cap to the cylindrical member.
Claim 2
Dependent Claim
124 words
A contact lens case comprising, a. a cylindrical member having an open end, the other end being closed by a wall having a hole extending therethrough, which hole is smaller than the lens, b. a circular platform for supporting the lens and connected to the cylindrical member by a first flexible strap, said platform being adapted for insertion into the open end of the cylindrical member to form a container, c. a cap connected to the cylindrical member by a second flexible strap, said cap being adapted for insertion over the other end of the cylindrical member to close said container, d. first means for attaching the cylindrical member to the platform, and e. second means for attaching the cap to the cylindrical member.
Claim 3
Dependent Claim
87 words
The invention as recited in claim 1, wherein the lens case is made of a flexible plastic; wherein the said first means comprises a circular lip on said platform and an internal circular lip at the said one end of the cylindrical member, said lips cooperating to provide a snap action; and wherein the said second means comprises an internal circular lip on the cap and an external circular lip at the said other end of the cylindrical member, said lips cooperating to provide a snap action.
Claim 4
Dependent Claim
20 words
The invention as recited in claim 2, wherein each of the flexible straps has a central portion of reduced thickness.
Claim 5
Dependent Claim
48 words
The invention as recited in claim 2, wherein the said platform extends from a flat base and wherein the cylindrical member includes an external flange at the said one end thereof, said flange being pressed against said base when the cylindrical member is attached to the said platform.
Claim 6
Dependent Claim
15 words
The invention as recited in claim 4, including a pull tab extending from said cap.
Claim 7
Dependent Claim
33 words
The invention as recited in claim 5, including lens-positioning means extending from the said platform, said lens-positioning means preventing lateral displacement of a contact lens beyond the periphery of the said circular platform.
References Cited (Backward Citations)
US3256892A
Cited
US3394717A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-29 | 1977-04-30 | 1977-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-29 | 1981-04-30 | 1981-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-29 | 1985-04-30 | 1985-10-30 | $7700.00 | Window Closed / Lapsed |