Patent US2995338A successfully refreshed from Google Patents.
US2995338A
Expired / Lapsed
US
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Bladed rotors for compressors, turbines and the like
Assignee: Stalker Corp
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Filing: 1959-03-11
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Granted: 1961-08-08
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Expires: 1979-03-11
Abstract
No abstract record available.
Inventors
- 👤 Daniel J Clarke
- 👤 Oetliker Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:19
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/30; F01D5/02; F01D5/028; Y; Y02; Y02T; Y02T50/00; Y02T50/60; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/4932; Y10T29/49321
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) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |