US2841369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Evaporative condenser apparatus and liquid disperser unit therefor
Assignee: Individual
•
Filing: 1953-08-17
•
Granted: 1958-07-01
•
Expires: 1973-08-17
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Carraway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:09
CPC Classifications
F; F28; F28D; F28D5/00; F28D5/02; Y; Y10; Y10S; Y10S261/00; Y10S261/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1269909A
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US1667291A
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US2091159A
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US2064271A
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US2215753A
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US2571069A
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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) | 1961-06-30 | 1961-12-30 | 1962-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-30 | 1965-12-30 | 1966-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-30 | 1969-12-30 | 1970-07-01 | $7700.00 | Window Closed / Lapsed |