Patent US1189860A successfully refreshed from Google Patents.
US3268068A
Expired / Lapsed
US
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Contact lens apparatus
Assignee: Individual
•
Filing: 1965-10-15
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Granted: 1966-08-23
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Expires: 1985-10-15
Abstract
No abstract record available.
Inventors
- 👤 Grand Joseph A Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:04
CPC Classifications
A; A45; A45C; A45C11/00; A45C11/005; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44641; Y10T24/44769
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3124240A
Cited
US1980141A
Cited
US3072528A
Cited
US3211281A
Cited
US3089500A
Cited
US3129808A
Cited
US3212907A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |