Patent US2456929A successfully refreshed from Google Patents.
US2456929A
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Tray structure
Assignee: Woodall Industries Inc
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Filing: 1944-04-28
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Granted: 1948-12-21
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Expires: 1964-04-28
Abstract
No abstract record available.
Inventors
- 👤 Herbert C Dee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:18
CPC Classifications
B; B65; B65D; B65D21/00; B65D21/02; B65D21/0209; B65D21/0224
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US67391A
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US157399A
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US195871A
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US982538A
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US1378197A
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US1631718A
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US1719605A
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US1762596A
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US1957153A
Cited
US1932772A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-21 | 1952-06-21 | 1952-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-21 | 1956-06-21 | 1956-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-21 | 1960-06-21 | 1960-12-21 | $7700.00 | Window Closed / Lapsed |