Patent US2589577A successfully refreshed from Google Patents.
US2589577A
Expired / Lapsed
US
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Ice pack formed of vinyl plastic sheeting
Assignee: PIONEER VALLEY PLASTICS Co
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Filing: 1949-06-18
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Granted: 1952-03-18
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Expires: 1969-06-18
Abstract
No abstract record available.
Inventors
- 👤 Rosenthal Morris
- 👤 Robinson Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:21
CPC Classifications
A; A61; A61F; A61F7/00; A61F7/10; A61F7/02; A61F2007/0268; A61F2007/0273
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US254265A
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US530085A
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US1433303A
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US699778A
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US768944A
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US1059627A
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US2027290A
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US2049723A
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US2225764A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |