US3178015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contact lens accessory
Assignee: Individual
•
Filing: 1963-10-01
•
Granted: 1965-04-13
•
Expires: 1983-10-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles M Barker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:59
CPC Classifications
A; A61; A61F; A61F9/00; A61F9/0061; A45; A45C; A45C11/00; A45C11/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A CONTACT LENS ACCESSORY COMPRISING: A RECEPTACLE HAVING AN UPSTANDING PERIPHERAL SIDE WALL AND A BOTTOM WALL; SAID SIDE WALL BEING PLIABLE AND OF OPEN NET-LIKE CONSTRUCTION; AND A LAYER OF SOFT CUSHIONING MATERIAL OVERLYING AND COVERING SAID BOTTOM WALL, ON THE INSIDE OF SAID RECEPTACLE, SAID BOTTOM WALL BEING PROVIDED WITH AN UNDERCUT PERIPHERAL RIM; SAID SIDE WALL HAVING A LOWER PERIPHERAL RIM EXTENDING REMOVABLY INTO SAID UNDERCUT; SAID CUSHIONING MATERIAL BEING HELD AGAINST SAID BOTTOM WALL BY SAID LOWER PERIPHERAL RIM, BUT BEING OTHERWISE FREE OF SECUREMENT TO SAID BOTTOM WALL.
Claim 2
Dependent Claim
93 words
A CONTACT LENS ACCESSORY COMPRISING: A RECEPTACLE HAVING AN UPSTANDING PERIPHERAL SIDE WALL AND A BOTTOM WALL; SAID SIDE WALL BEING PLIABLE AND OF OPEN NET-LIKE CONSTRUCTION; AND A LAYER OF SOFT CUSHIONING MATERIAL OVERLYING AND COVERING SAID BOTTOM WALL, ON THE INSIDE OF SAID RECEPTACLE, SAID BOTTOM WALL BEING PROVIDED WITH AN UNDERCUT PERIPHERAL RIM; SAID SIDE WALL HAVING A LOWER PERIPHERAL RIM EXTENDING REMOVABLY INTO SAID UNDERCUT; SAID CUSHIONING MATERIAL BEING HELD AGAINST SAID BOTTOM WALL BY SAID LOWER PERIPHERAL RIM, BUT BEING OTHERWISE FREE OF SECUREMENT TO SAID BOTTOM WALL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |