US2009529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioning apparatus and control therefor
Assignee: AUDITORIUM CONDITIONING Corp
•
Filing: 1933-01-24
•
Granted: 1935-07-30
•
Expires: 1953-01-24
Abstract
No abstract record available.
Inventors
- 👤 Simonds Abraham Homer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:48
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/12; F24F3/14; Y; Y10; Y10S; Y10S261/00; Y10S261/34
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1938-07-29 | 1939-01-28 | 1939-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-07-29 | 1943-01-28 | 1943-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-07-29 | 1947-01-28 | 1947-07-30 | $7700.00 | Window Closed / Lapsed |