US1808982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioner
Assignee: IND DRYER CORP
•
Filing: 1926-04-14
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Granted: 1931-06-09
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Expires: 1946-04-14
Abstract
No abstract record available.
Inventors
- 👤 Gordon D Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:23
CPC Classifications
F; F28; F28D; F28D5/00; F28D5/02; F24; F24F; F24F1/00; F24F1/0007; F24F1/0035; F24F1/0038; F24F1/0059; F24F1/0083; F24F1/0087; F24F3/00; F24F3/12; F24F3/14; F24F3/147; F24F5/00; F24F5/0007; Y; Y02; Y02B; Y02B30/00; Y02B30/54; Y10; Y10S; Y10S261/00; Y10S261/34
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) | 1934-06-08 | 1934-12-08 | 1935-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-06-08 | 1938-12-08 | 1939-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-06-08 | 1942-12-08 | 1943-06-09 | $7700.00 | Window Closed / Lapsed |