Patent US3532437A successfully refreshed from Google Patents.
US3532437A
Expired / Lapsed
US
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Stator blade assembly for axial-flow turbines
Assignee: Sulzer AG
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Filing: 1968-06-27
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Granted: 1970-10-06
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Expires: 1988-06-27
Abstract
No abstract record available.
Inventors
- 👤 Rene Strub
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 03:44
CPC Classifications
F; F01; F01D; F01D25/00; F01D25/24; F01D25/246; F05; F05B; F05B2230/00; F05B2230/60; F05B2230/604; F05B2230/606; F05D; F05D2230/00; F05D2230/60; F05D2230/64; F05D2230/642
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US998820A
Cited
US2282894A
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US2488875A
Cited
DE852789C
Cited
DE928746C
Cited
GB881880A
Cited
NL282822A
Cited
US3427000A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |