US3424486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contact lens handling apparatus
Assignee: Individual
•
Filing: 1966-11-29
•
Granted: 1969-01-28
•
Expires: 1986-11-29
Abstract
No abstract record available.
Inventors
- 👤 Clifton Corley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:51
CPC Classifications
A; A61; A61F; A61F9/00; A61F9/0061; B; B25; B25B; B25B11/00; B25B11/005; B25B11/007
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |