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US2484274A
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Turbine wheel
Assignee: United Specialties Co
•
Filing: 1946-09-16
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Granted: 1949-10-11
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Expires: 1966-09-16
Abstract
No abstract record available.
Inventors
- 👤 David P Eastman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:42
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/30; F01D5/3069; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/4932
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US770207A
Cited
US849992A
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GB190620818A
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US883926A
Cited
US1035543A
Cited
US1345678A
Cited
US1415266A
Cited
US1891948A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-10 | 1953-04-11 | 1953-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-10 | 1957-04-11 | 1957-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-10 | 1961-04-11 | 1961-10-11 | $7700.00 | Window Closed / Lapsed |