US3038318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expansion turbine and turbocompressor connected therewith in a cold producing plant
Assignee: Sulzer AG
•
Filing: 1958-06-02
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Granted: 1962-06-12
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Expires: 1978-06-02
Abstract
No abstract record available.
Inventors
- 👤 Hanny Jost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:15
CPC Classifications
F; F01; F01D; F01D25/00; F01D25/18; F01D25/22; F01D15/00; F01D15/005; F25; F25B; F25B9/00; F25B9/002; F25B9/004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1979525A
Cited
US2049343A
Cited
US2367223A
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US2721728A
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US2760832A
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US2721456A
Cited
US2729073A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-11 | 1965-12-11 | 1966-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-11 | 1969-12-11 | 1970-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-11 | 1973-12-11 | 1974-06-12 | $7700.00 | Window Closed / Lapsed |