US2447095A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Airplane anti-icing system
Assignee: Consolidated Vultee Aircraft Corp
•
Filing: 1944-12-30
•
Granted: 1948-08-17
•
Expires: 1964-12-30
Abstract
No abstract record available.
Inventors
- 👤 Howard F Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:56
CPC Classifications
B; B64; B64D; B64D15/00; B64D15/02; Y; Y10; Y10S; Y10S415/00; Y10S415/914
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
SE97141C1
Cited
US1797160A
Cited
US1827276A
Cited
US1970565A
Cited
US2046521A
Cited
US2200838A
Cited
US2256393A
Cited
US2330219A
Cited
US2374441A
Cited
US2379183A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-17 | 1952-02-16 | 1952-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-17 | 1956-02-16 | 1956-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-17 | 1960-02-16 | 1960-08-17 | $7700.00 | Window Closed / Lapsed |