US3406531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for maintaining organs in a completely viable state
Assignee: Individual
•
Filing: 1964-08-25
•
Granted: 1968-10-22
•
Expires: 1984-08-25
Abstract
No abstract record available.
Inventors
- 👤 Emil S Swenson
- 👤 William L Koski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:17
CPC Classifications
F; F25; F25D; F25D17/00; F25D17/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2812643A
Cited
US2951351A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |