US2668121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating for the preservation of foods
Assignee: Individual
•
Filing: 1951-10-12
•
Granted: 1954-02-02
•
Expires: 1971-10-12
Abstract
No abstract record available.
Inventors
- 👤 Rizzardi Marcello
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:37
CPC Classifications
A; A23; A23B; A23B7/00; A23B7/16; A23B5/00; A23B5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A COATING FOR THE PRESERVATION OF FOODS INCLUDING PURE VIRGIN WAX, VEGETABLE OIL, CREOSOLE AND OIL OF CHICORY COMBINED TO FORM A PASTE.
Claim 2
Dependent Claim
23 words
A COATING FOR THE PRESERVATION OF FOODS INCLUDING PURE VIRGIN WAX, VEGETABLE OIL, CREOSOLE AND OIL OF CHICORY COMBINED TO FORM A PASTE.
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) | 1957-02-01 | 1957-08-03 | 1958-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-01 | 1961-08-03 | 1962-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-01 | 1965-08-03 | 1966-02-02 | $7700.00 | Window Closed / Lapsed |