US2976014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blading for use in axial flow machines
Assignee: BBC Brown Boveri AG Germany
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Filing: 1952-12-15
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Granted: 1961-03-21
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Expires: 1972-12-15
Abstract
No abstract record available.
Inventors
- 👤 Kress Herwig Roland Aguilin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:32
CPC Classifications
B; B23; B23P; B23P15/00; B23P15/04; F; F01; F01D; F01D5/00; F01D5/12; F01D5/14; F01D5/18; F01D5/30; F01D5/3053; F01D5/3061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US849992A
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US995367A
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GB191016889A
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US1050187A
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US1530249A
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US1516607A
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US2559131A
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US2650803A
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US2642263A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-20 | 1964-09-19 | 1965-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-20 | 1968-09-19 | 1969-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-20 | 1972-09-19 | 1973-03-21 | $7700.00 | Window Closed / Lapsed |