US3031173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cross-flow cooling tower packing
Assignee: Fluor Corp
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Filing: 1960-02-18
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Granted: 1962-04-24
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Expires: 1980-02-18
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Kohl
- 👤 Alfred L Fuller
- 👤 John A Bailey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:06
CPC Classifications
F; F28; F28C; F28C1/00; F28C1/04; F28F; F28F25/00; F28F25/02; F28F25/08; F28F25/085; Y; Y02; Y02B; Y02B30/00; Y02B30/70; Y10; Y10S; Y10S261/00; Y10S261/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-23 | 1965-10-23 | 1966-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-23 | 1969-10-23 | 1970-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-23 | 1973-10-23 | 1974-04-24 | $7700.00 | Window Closed / Lapsed |