US2918052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-releasing anti-icing means
Assignee: IIT Research Institute
•
Filing: 1957-03-14
•
Granted: 1959-12-22
•
Expires: 1977-03-14
Abstract
No abstract record available.
Inventors
- 👤 Roland A Budenholzer
- 👤 Francois J Olmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:21
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/18; C09K3/185
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2143482A
Cited
US2258184A
Cited
US2346891A
Cited
US2431885A
Cited
US2566923A
Cited
GB744385A
Cited
US2716068A
Cited
US2731353A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-21 | 1963-06-22 | 1963-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-21 | 1967-06-22 | 1967-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-21 | 1971-06-22 | 1971-12-22 | $7700.00 | Window Closed / Lapsed |