US2746671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor deicing and thrust balancing arrangement
Assignee: RTX Corp
•
Filing: 1950-04-14
•
Granted: 1956-05-22
•
Expires: 1970-04-14
Abstract
No abstract record available.
Inventors
- 👤 Philip P Newcomb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:05
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/04; F02C7/047; F01; F01D; F01D3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR897709A
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CH237475A
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GB619390A
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US2474068A
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US2599470A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |