US3100386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Evaporation heat exchanger
Assignee: Chausson Usines SA
•
Filing: 1960-07-28
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Granted: 1963-08-13
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Expires: 1980-07-28
Abstract
No abstract record available.
Inventors
- 👤 Chausson Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:18
CPC Classifications
B; B64; B64D; B64D13/00; F; F25; F25D; F25D7/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
AN EVAPORATION HEAT EXCHANGER COMPRISING A FIRST CASING OF IMPERVIOUS MATERIAL, A NOZZLE IN SAID CASING IN COMMUNICATION WITH THE ATMOSPHERE SURROUNDING THE CASING, A SECOND CASING OF POROUS BUT RIGID MATERIAL LOCATED INSIDE SAID FIRST CASING, MEMBERS INTERPOSED BETWEEN SAID FIRST AND SECOND CASINGS TO DEFINE A NARROW PERIPHERAL RECESS COMPLETELY ABOUT SAID SECOND CASING, A NEST OF TUBES EXTENDING THROUGH SAID FIRST AND SECOND CASINGS FOR CIRCULATING A FLUID TO BE COOLED, AT LEAST ONE CHARGE OF ABSORBENT MATERIAL EMBEDDING SAID NEST OF
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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) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |