Patent US2446048A successfully refreshed from Google Patents.
US2446048A
Expired / Lapsed
US
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Eyeshield
Assignee: Individual
•
Filing: 1945-07-20
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Granted: 1948-07-27
•
Expires: 1965-07-20
Abstract
No abstract record available.
Inventors
- 👤 Donald E Kimball
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:11
CPC Classifications
A; A61; A61F; A61F9/00; A61F9/02; A61F9/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2245990A
Cited
US2263329A
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US2274791A
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US2368303A
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US2300365A
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US2387821A
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US2391349A
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US2387522A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-27 | 1952-01-26 | 1952-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-27 | 1956-01-26 | 1956-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-27 | 1960-01-26 | 1960-07-27 | $7700.00 | Window Closed / Lapsed |