US3600199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preserving potatoes and other root vegetables by freezing and cold storage
Assignee: Individual
•
Filing: 1968-12-19
•
Granted: 1971-08-17
•
Expires: 1988-12-19
Abstract
Abstract THE INVENTION RELATES TO A METHOD OF PRESERVING POTATOES BY FREEZING IS SUCH MANNER THAT THE TASTE AND OTHER QUALITIES OF THE POTATO IS UNIMPAIRED.
Inventors
- 👤 Frederik Otto Ornbaek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:02
CPC Classifications
A; A23; A23B; A23B7/00; A23B7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-16 | 1975-02-15 | 1975-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-16 | 1979-02-15 | 1979-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-16 | 1983-02-15 | 1983-08-17 | $7700.00 | Window Closed / Lapsed |