US1592718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cold-air circulation and humidity-control system
Assignee: Individual
•
Filing: 1923-11-01
•
Granted: 1926-07-13
•
Expires: 1943-11-01
Abstract
No abstract record available.
Inventors
- 👤 Milton W Browne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:09
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/02; F24F13/06; F24F5/00; F24F5/0007; Y; 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) | 1929-07-12 | 1930-01-11 | 1930-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-07-12 | 1934-01-11 | 1934-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-07-12 | 1938-01-11 | 1938-07-13 | $7700.00 | Window Closed / Lapsed |