US2937504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the vaporisation of liquefied low-boiling gases
Assignee: GEA Group AG
•
Filing: 1956-10-10
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Granted: 1960-05-24
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Expires: 1976-10-10
Abstract
No abstract record available.
Inventors
- 👤 Riediger Bruno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:10
CPC Classifications
F; F17; F17C; F17C9/00; F17C9/02; F17C9/04; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/033; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2225/00; F17C2225/01; F17C2225/0107; F17C2225/0123; F17C2227/00; F17C2227/01; F17C2227/0128; F17C2227/0135; F17C2227/0171; F17C2227/0178; F17C2227/03; F17C2227/0302; F17C2227/0309; F17C2227/0323; F17C2265/00; F17C2265/05; F17C2270/00; F17C2270/01; F17C2270/0102; F17C2270/0105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR736736A
Cited
US2175267A
Cited
US2273257A
Cited
US2328647A
Cited
US2658360A
Cited
US2530443A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |