Patent US2607411A successfully refreshed from Google Patents.
US2607411A
Expired / Lapsed
US
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Hinge system for refrigerated cabinets
Assignee: Liquid Carbonic Corp
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Filing: 1948-06-12
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Granted: 1952-08-19
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Expires: 1968-06-12
Abstract
No abstract record available.
Inventors
- 👤 Paul D Van Vliet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:14
CPC Classifications
E; E05; E05D; E05D1/00; E05D1/02; F; F25; F25D; F25D23/00; F25D23/02; F25D23/026; E05Y; E05Y2900/00; E05Y2900/30; E05Y2900/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2242421A
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US2222428A
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US2241101A
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US2321753A
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US2507965A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |