Patent US2799862A successfully refreshed from Google Patents.
US2799862A
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Eye protective means
Assignee: American Optical Corp
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Filing: 1954-07-19
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Granted: 1957-07-23
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Expires: 1974-07-19
Abstract
No abstract record available.
Inventors
- 👤 Louis F Rowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:33
CPC Classifications
G; G02; G02C; G02C11/00; G02C11/08; A; A61; A61F; A61F9/00; A61F9/02; A61F9/028; G02C7/00; G02C7/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2430881A
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FR419669A
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US1098905A
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US1996587A
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GB434323A
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US2263116A
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US2579942A
Cited
US2526737A
Cited
US2619643A
Cited
US2619644A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-22 | 1961-01-21 | 1961-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-22 | 1965-01-21 | 1965-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-22 | 1969-01-21 | 1969-07-23 | $7700.00 | Window Closed / Lapsed |