US2507018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antiicing screen
Assignee: Wright Aeronautical Corp
•
Filing: 1948-05-08
•
Granted: 1950-05-09
•
Expires: 1968-05-08
Abstract
No abstract record available.
Inventors
- 👤 Charles S Jewett
- 👤 Robert A Loos
- 👤 Eugene A Mehnert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:58
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/04; F02C7/047; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1102249A
Cited
US1161667A
Cited
US1905770A
Cited
US2260233A
Cited
US2409954A
Cited
US2435990A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-08 | 1953-11-07 | 1954-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-08 | 1957-11-07 | 1958-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-08 | 1961-11-07 | 1962-05-09 | $7700.00 | Window Closed / Lapsed |