US3185648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deicer composition
Assignee: Standard Oil Co
•
Filing: 1962-09-19
•
Granted: 1965-05-25
•
Expires: 1982-09-19
Abstract
No abstract record available.
Inventors
- 👤 Norman W Standish
- 👤 Gordon G Cross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:42
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/18; C09K3/185
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
27 words
A SOLID DEICER COMPOSITION HAVING A DEICING TEMPERATURE NO HIGHER THAN ABOUT -8*F. CONSISTING OF 26% BY WEIGHT OF UREA AND 74% BY WEIGHT OF AMMONIUM NITRATE.
References Cited (Backward Citations)
US2980620A
Cited
US2979413A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |