Patent US3383873A successfully refreshed from Google Patents.
US3383873A
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Engine expansion of liquefied gas at below critical temperature and above critical pressure
Assignee: Linde GmbH
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Filing: 1965-11-03
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Granted: 1968-05-21
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Expires: 1985-11-03
Abstract
No abstract record available.
Inventors
- 👤 Becker Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:01
CPC Classifications
F; F25; F25J; F25J3/00; F25J3/02; F25J3/0228; F25J3/0257; F25J1/00; F25J1/0002; F25J1/0022; F25J1/003; F25J1/0032; F25J1/0035; F25J1/0037; F25J1/004; F25J1/0042; F25J1/02; F25J1/0201; F25J1/0202; F25J1/0243; F25J1/0257; F25J1/0262; F25J1/0264; F25J3/0204; F25J3/0209; F25J3/0233; F25J2200/00; F25J2200/02; F25J2200/70; F25J2200/78; F25J2210/00; F25J2210/06; F25J2230/00; F25J2230/30; F25J2240/00; F25J2240/02; F25J2240/30; F25J2270/00; F25J2270/04; F25J2270/06; F25J2270/88
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |