Patent US2490413A successfully refreshed from Google Patents.
US2490413A
Expired / Lapsed
US
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Self-service refrigerated display case
Assignee: C V Hill & Co Inc
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Filing: 1946-11-30
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Granted: 1949-12-06
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Expires: 1966-11-30
Abstract
No abstract record available.
Inventors
- 👤 Winfield R Burtis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:49
CPC Classifications
A; A47; A47F; A47F3/00; A47F3/04; A47F3/0439; A47F3/0465; A47F3/0443; A47F2003/046
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) | 1952-12-05 | 1953-06-06 | 1953-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-05 | 1957-06-06 | 1957-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-05 | 1961-06-06 | 1961-12-06 | $7700.00 | Window Closed / Lapsed |