Patent US2755191A successfully refreshed from Google Patents.
US2755191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of bactericidal clear ice
Assignee: Evonik Operations GmbH
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Filing: 1953-07-27
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Granted: 1956-07-17
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Expires: 1973-07-27
Abstract
No abstract record available.
Inventors
- 👤 Schmitz Adolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:57
CPC Classifications
A; A23; A23B; A23B4/00; A23B4/06; A23B4/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
IN THE MANUFACTURE OF BACTERICIDAL CLEAR ICE SUITABLE FOR USE IN THE PRESERVATION OF FISH AND OTHER FOOD ITEMS, THE PROCESS WHICH COMPRISES DISSOLVING IN WATER WHICH IS TO BE FROZEN A MIXTURE OF TWO BACTERICIDAL AGENTS, ONE HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
42 words
IN THE MANUFACTURE OF BACTERICIDAL CLEAR ICE SUITABLE FOR USE IN THE PRESERVATION OF FISH AND OTHER FOOD ITEMS, THE PROCESS WHICH COMPRISES DISSOLVING IN WATER WHICH IS TO BE FROZEN A MIXTURE OF TWO BACTERICIDAL AGENTS, ONE HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
US2164781A
Cited
US2356587A
Cited
US2398781A
Cited
US2468012A
Cited
US2521358A
Cited
NL71045C
Cited
US2669520A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |