US2726658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Therapeutic cooling devices for domestic and hospital use
Assignee: Individual
•
Filing: 1953-04-27
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Granted: 1955-12-13
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Expires: 1973-04-27
Abstract
No abstract record available.
Inventors
- 👤 Donald E Chessey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:01
CPC Classifications
A; A61; A61F; A61F7/00; A61F7/10; F; F25; F25D; F25D17/00; F25D17/02; A61F2007/0001; A61F2007/0054; A61F2007/0056
Claims Analysis
Total Claims: 0
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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) | 1958-12-12 | 1959-06-13 | 1959-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-12 | 1963-06-13 | 1963-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-12 | 1967-06-13 | 1967-12-13 | $7700.00 | Window Closed / Lapsed |