Patent US3052246A successfully refreshed from Google Patents.
US3052246A
Expired / Lapsed
US
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Container for contact lenses
Assignee: Individual
•
Filing: 1961-04-06
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Granted: 1962-09-04
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Expires: 1981-04-06
Abstract
No abstract record available.
Inventors
- 👤 Chester E Beard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:46
CPC Classifications
A; A45; A45C; A45C11/00; A45C11/005; Y; Y10; Y10S; Y10S134/00; Y10S134/901; Y10S220/00; Y10S220/916
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US771372A
Cited
US2944661A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-03 | 1966-03-05 | 1966-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-03 | 1970-03-05 | 1970-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-03 | 1974-03-05 | 1974-09-04 | $7700.00 | Window Closed / Lapsed |