US2635848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotor for gas turbines
Assignee: Packard Motor Car Co
•
Filing: 1948-10-28
•
Granted: 1953-04-21
•
Expires: 1968-10-28
Abstract
No abstract record available.
Inventors
- 👤 Clarence M Mcdowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:30
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/30; F01D5/3053
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1362074A
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US1680785A
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GB319622A
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DE491738C
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GB384301A
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US2148653A
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US2364189A
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GB602530A
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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) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |