US2858698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pitot deicer
Assignee: Individual
•
Filing: 1953-11-20
•
Granted: 1958-11-04
•
Expires: 1973-11-20
Abstract
No abstract record available.
Inventors
- 👤 John H Hickey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:02
CPC Classifications
G; G01; G01P; G01P5/00; G01P5/14; G01P5/16; G01P5/165; B; B64; B64D; B64D15/00; B64D15/12; B64D43/00; B64D43/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |