US2589577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ice pack formed of vinyl plastic sheeting
Assignee: PIONEER VALLEY PLASTICS Co
•
Filing: 1949-06-18
•
Granted: 1952-03-18
•
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 11:18
CPC Classifications
A; A61; A61F; A61F7/00; A61F7/10; A61F7/02; A61F2007/0268; A61F2007/0273
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US254265A
Cited
US530085A
Cited
US1433303A
Cited
US699778A
Cited
US768944A
Cited
US1059627A
Cited
US2027290A
Cited
US2049723A
Cited
US2225764A
Cited
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 |