Patent US2438487A successfully refreshed from Google Patents.
US2438487A
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US
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Articulated ice tray grid
Assignee: Servel Inc
•
Filing: 1939-12-12
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Granted: 1948-03-30
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Expires: 1959-12-12
Abstract
No abstract record available.
Inventors
- 👤 Sven W E Andersson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:51
CPC Classifications
F; F25; F25C; F25C1/00; F25C1/22; F25C1/24; F25C1/246
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE20656E
Cited
US493729A
Cited
US852608A
Cited
US2035543A
Cited
US2037520A
Cited
US2147495A
Cited
US2110511A
Cited
US2193694A
Cited
US2189446A
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US2140923A
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US2196476A
Cited
US2168200A
Cited
US2197378A
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US2255153A
Cited
US2190502A
Cited
US2253624A
Cited
US2242764A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-30 | 1951-09-29 | 1952-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-30 | 1955-09-29 | 1956-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-30 | 1959-09-29 | 1960-03-30 | $7700.00 | Window Closed / Lapsed |