Patent US2881969A successfully refreshed from Google Patents.
US2881969A
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US
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Inspection cover and bulge top paper box
Assignee: Container Corp
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Filing: 1957-12-23
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Granted: 1959-04-14
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Expires: 1977-12-23
Abstract
No abstract record available.
Inventors
- 👤 Everett N Upton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:19
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/32; B65D5/322; B65D5/324; B65D5/42; B65D5/44; B65D5/441; B65D5/445; B65D5/446; Y; Y10; Y10S; Y10S229/00; Y10S229/915
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |