US2731353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
De-icing material
Assignee: Individual
•
Filing: 1953-06-09
•
Granted: 1956-01-17
•
Expires: 1973-06-09
Abstract
No abstract record available.
Inventors
- 👤 Jacob M Fain
- 👤 Norman L Hewitt
- 👤 Rosenblatt William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:49
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/18; C09K3/185
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
21 words
A DI-ICING COMPOSITION COMPRISING ESSENTIALLY IN PARTS BY WEIGHT LITHIUM CHLORIDE 39.0, WATER 60.0, POTASSIUM CHROMATE 1.0, AND CARBOXYMETHYL CELLULOSE 0.8.
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) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |