US2697424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Therapeutic cold pack
Assignee: Davol Rubber Co
•
Filing: 1952-03-20
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Granted: 1954-12-21
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Expires: 1972-03-20
Abstract
No abstract record available.
Inventors
- 👤 Hanna Ezra Lloyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:49
CPC Classifications
A; A61; A61F; A61F7/00; A61F7/10; A61F2007/0098; Y; Y10; Y10S; Y10S383/00; Y10S383/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A SEALED COLD PACK HAVING A FRONT SHEET OF FL MATERIAL, A REAR SHEET OF FLEXIBLE MATERIAL OF SLIGHTLY SIZE THAN THE FRONT SHEET, THE EDGES OF THE REAR SHEET FOLDED OVER THE EDGES OF THE FRONT SHEET AND CEMEN THE FRONT SHEET TO PROVIDE A CONTAINER, AND A CH SLURRY IN SAID CONTAINER COMPRISING APPROXIMATE PERCENT ISOPROPYL ALCOHOL IN WATER BY VOLUME.
Claim 2
Dependent Claim
63 words
A SEALED COLD PACK HAVING A FRONT SHEET OF FL MATERIAL, A REAR SHEET OF FLEXIBLE MATERIAL OF SLIGHTLY SIZE THAN THE FRONT SHEET, THE EDGES OF THE REAR SHEET FOLDED OVER THE EDGES OF THE FRONT SHEET AND CEMEN THE FRONT SHEET TO PROVIDE A CONTAINER, AND A CH SLURRY IN SAID CONTAINER COMPRISING APPROXIMATE PERCENT ISOPROPYL ALCOHOL IN WATER BY VOLUME.
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) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |