US2801071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bladed rotor construction
Assignee: Westinghouse Electric Corp
•
Filing: 1952-01-31
•
Granted: 1957-07-30
•
Expires: 1972-01-31
Abstract
No abstract record available.
Inventors
- 👤 Ii Arthur G Thorp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:35
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/02; F01D5/06; Y; Y10; Y10S; Y10S416/00; Y10S416/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1530249A
Cited
US2427614A
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US2432185A
Cited
US2458149A
Cited
US2461242A
Cited
GB595643A
Cited
US2559013A
Cited
US2621018A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-29 | 1961-01-28 | 1961-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-29 | 1965-01-28 | 1965-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-29 | 1969-01-28 | 1969-07-30 | $7700.00 | Window Closed / Lapsed |