US3367415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anisotherm evaporation heattransfer structure
Assignee: Compagnie Francaise Thomson Houston SA
•
Filing: 1965-12-07
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Granted: 1968-02-06
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Expires: 1985-12-07
Abstract
No abstract record available.
Inventors
- 👤 Charles A E Beurtheret
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:12
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/02; G21C3/04; G21C3/06; G21C3/08; B; B01; B01D; B01D1/00; F; F22; F22B; F22B37/00; F22B37/02; F22B37/10; F22B37/101; F25; F25B; F25B39/00; F25B39/02; F28; F28F; F28F1/00; F28F1/10; F28F1/12; F28F1/24; F28F1/26; F28F13/00; F28F13/18; F28F13/185; F28F13/187; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2935305A
Cited
US2969957A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |