US2446289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Precooler system for refrigerated drinking fountains
Assignee: EBCO Manufacturing Co
•
Filing: 1948-01-08
•
Granted: 1948-08-03
•
Expires: 1968-01-08
Abstract
No abstract record available.
Inventors
- 👤 Lee C Love
- 👤 Slauter C Henry
- 👤 Jr Richard H Orthoefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:03
CPC Classifications
E; E03; E03B; E03B9/00; E03B9/02; E03B9/20; F; F28; F28D; F28D1/00; F28D1/06; Y; Y10; Y10S; Y10S165/00; Y10S165/163; Y10S165/164
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US640122A
Cited
US1114964A
Cited
US1492696A
Cited
US2010504A
Cited
US2127848A
Cited
US2276964A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-03 | 1952-02-02 | 1952-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-03 | 1956-02-02 | 1956-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-03 | 1960-02-02 | 1960-08-03 | $7700.00 | Window Closed / Lapsed |