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Patent US3504674A successfully refreshed from Google Patents.
US3504674A
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Method and apparatus for performing hypothermia
Assignee: EMIL S SWENSON
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Filing: 1966-12-22
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Granted: 1970-04-07
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Expires: 1986-12-22
Abstract
No abstract record available.
Inventors
- 👤 Emil S Swenson
- 👤 William L Koski
- 👤 Juan Negrin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:38
CPC Classifications
A; A61; A61F; A61F7/00; A61F7/12; A61B; A61B18/00; A61B18/02; A61B2018/0212
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) | 1973-04-06 | 1973-10-06 | 1974-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-06 | 1977-10-06 | 1978-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-06 | 1981-10-06 | 1982-04-07 | $7700.00 | Window Closed / Lapsed |