US2075314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioning apparatus
Assignee: FOX FURNACE Co
•
Filing: 1933-04-26
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Granted: 1937-03-30
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Expires: 1953-04-26
Abstract
No abstract record available.
Inventors
- 👤 Max M Suppes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:29
CPC Classifications
F; F24; F24H; F24H9/00; F24H9/20; F24H9/2064; F24H9/2085; F24D; F24D5/00; F24H15/00; F24H15/20; F24H15/204; F24H15/25; F24H15/254; F24H15/30; F24H15/305; F24H15/31; F24H15/345; F24H15/355; F24H15/36; Y; Y10; Y10S; Y10S261/00; Y10S261/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-03-29 | 1940-09-28 | 1941-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-03-29 | 1944-09-28 | 1945-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-03-29 | 1948-09-28 | 1949-03-30 | $7700.00 | Window Closed / Lapsed |