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US2789494A
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US
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Evaporative coolers and means for mounting the same
Assignee: INTERNAT METAL PRODUCTS CO
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Filing: 1955-10-17
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Granted: 1957-04-23
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Expires: 1975-10-17
Abstract
No abstract record available.
Inventors
- 👤 Adam D Goettl
- 👤 Albert B Goettl
- 👤 Goettl John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:40
CPC Classifications
F; F24; F24F; F24F6/00; F24F6/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US524310A
Cited
US2299527A
Cited
US2497947A
Cited
US2628052A
Cited
US2667765A
Cited
US2719410A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-22 | 1960-10-22 | 1961-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-22 | 1964-10-22 | 1965-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-22 | 1968-10-22 | 1969-04-23 | $7700.00 | Window Closed / Lapsed |