US2862687A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Axial flow turbomachine
Assignee: Sulzer AG
•
Filing: 1954-10-01
•
Granted: 1958-12-02
•
Expires: 1974-10-01
Abstract
No abstract record available.
Inventors
- 👤 Aguet Emile
- 👤 Schaer Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:00
CPC Classifications
F; F01; F01D; F01D17/00; F01D17/10; F01D17/12; F01D17/14; F01D17/16; F01D17/162
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE237490C
Cited
US2300766A
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US2371706A
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US2424839A
Cited
US2500070A
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US2651492A
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GB621175A
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US2671634A
Cited
GB701576A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |