US3460552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contact lens case
Assignee: BARNES HIND INT
•
Filing: 1967-06-20
•
Granted: 1969-08-12
•
Expires: 1987-06-20
Abstract
No abstract record available.
Inventors
- 👤 Robert G Sturgeon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:18
CPC Classifications
G; G02; G02C; G02C13/00; G02C13/008; A; A45; A45C; A45C11/00; A45C11/005; Y; Y10; Y10S; Y10S134/00; Y10S134/901
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE156679C
Cited
US2095557A
Cited
US2568838A
Cited
US2609828A
Cited
US2967607A
Cited
US3044089A
Cited
US3139097A
Cited
US3343657A
Cited
US3378020A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |