US2796014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Damp air auto cooler
Assignee: Individual
•
Filing: 1954-07-06
•
Granted: 1957-06-18
•
Expires: 1974-07-06
Abstract
No abstract record available.
Inventors
- 👤 Elmer I Montgomery
- 👤 Herbert G Obendorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:57
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/32; B60H1/3202; Y; Y10; Y10S; Y10S261/00; Y10S261/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2170991A
Cited
US2183136A
Cited
US2294036A
Cited
US2237497A
Cited
US2285725A
Cited
US2655349A
Cited
US2685434A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-17 | 1960-12-17 | 1961-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-17 | 1964-12-17 | 1965-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-17 | 1968-12-17 | 1969-06-18 | $7700.00 | Window Closed / Lapsed |