US3090756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for inhibiting freezing of wetted granular materials
Assignee: Akzo Nobel Salt Inc
•
Filing: 1956-12-03
•
Granted: 1963-05-21
•
Expires: 1976-12-03
Abstract
No abstract record available.
Inventors
- 👤 Dale W Kaufmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:28
CPC Classifications
C; C09; C09K; C09K5/00; C09K5/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
BE528620A
Cited
US1371032A
Cited
US1894752A
Cited
US1825151A
Cited
US2192320A
Cited
US2308289A
Cited
US2615009A
Cited
FR1097493A
Cited
GB752582A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |