US3000619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid collection structure for use in treating the wood components of cooling towers
Assignee: Marley Co LLC
•
Filing: 1956-07-30
•
Granted: 1961-09-19
•
Expires: 1976-07-30
Abstract
No abstract record available.
Inventors
- 👤 Donald R Baker
- 👤 Charles E Loetel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:11
CPC Classifications
F; F28; F28F; F28F25/00; F28F25/02; F28F25/04; Y; Y10; Y10S; Y10S261/00; Y10S261/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1039824A
Cited
US1672326A
Cited
US1844872A
Cited
US2135974A
Cited
US2206179A
Cited
US2321058A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |