Patent US3489575A successfully refreshed from Google Patents.
US3489575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Freeze-vacuum-dehydrated fried potato cakes
Assignee: United States Department of the Army
•
Filing: 1967-01-06
•
Granted: 1970-01-13
•
Expires: 1987-01-06
Abstract
No abstract record available.
Inventors
- 👤 Karl R Johnson
- 👤 Thomas R Schmidt
- 👤 Gerald M Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:56
CPC Classifications
A; A23; A23L; A23L19/00; A23L19/10; A23L19/12; A23L19/18; A23L19/19; A23L19/13
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3150985A
Cited
US3309207A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |