US3467364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-film cooling-tower with transverse airflow
Assignee: Licencia Talalmanyokat Ertekesito Vallalat
•
Filing: 1966-04-12
•
Granted: 1969-09-16
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Expires: 1986-04-12
Abstract
No abstract record available.
Inventors
- 👤 Arpad Zathureczky
- 👤 Andras Egyedi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:53
CPC Classifications
F; F28; F28F; F28F25/00; F28F25/02; F28F25/08; F28F25/087; C; C07; C07C; C07C7/00; C07C7/04; C07C7/05; C07C7/06; F28C; F28C1/00; F28C1/04; Y; Y02; Y02B; Y02B30/00; Y02B30/70; Y02P; Y02P20/00; Y02P20/10; Y10; Y10S; Y10S261/00; Y10S261/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1987881A
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US2608398A
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US2971750A
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US3044237A
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US3099696A
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US3262682A
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US3313533A
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US3301401A
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US3322409A
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US3363885A
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US3333835A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |