US2267425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioning unit
Assignee: Individual
•
Filing: 1940-02-07
•
Granted: 1941-12-23
•
Expires: 1960-02-07
Abstract
No abstract record available.
Inventors
- 👤 Rowe William
- 👤 Fitzgerald Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:48
CPC Classifications
F; F24; F24F; F24F1/00; F24F1/0007; F24F1/0011; F24F1/0018; F24F1/0043; F24F1/0047; F24F13/00; F24F13/02; F24F13/06; F24F13/062; Y; Y10; Y10S; Y10S165/00; Y10S165/228; Y10S165/30
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) | 1944-12-22 | 1945-06-23 | 1945-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-12-22 | 1949-06-23 | 1949-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-12-22 | 1953-06-23 | 1953-12-23 | $7700.00 | Window Closed / Lapsed |