Patent US2663457A successfully refreshed from Google Patents.
US2663457A
Expired / Lapsed
US
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Sliding box cover
Assignee: Individual
•
Filing: 1950-07-10
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Granted: 1953-12-22
•
Expires: 1970-07-10
Abstract
No abstract record available.
Inventors
- 👤 John E Shaffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:22
CPC Classifications
B; B65; B65D; B65D43/00; B65D43/14; B65D43/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2276374A
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US2433587A
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US2497827A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |