US2222239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioning system
Assignee: American Motors Corp
•
Filing: 1933-11-08
•
Granted: 1940-11-19
•
Expires: 1953-11-08
Abstract
No abstract record available.
Inventors
- 👤 Lawrence A Philipp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:14
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/12; F24F3/14; F24F3/1405; F24F1/00; F24F1/0007; F24F1/0059; F24F11/00; F24F11/70; F24F11/80; F24F11/83; F24F11/84; F24F11/86; F24F11/87; F24F11/871; F24F11/88; F24F11/30; F24F2003/144; F24F2003/1446; F24F2110/00; F24F2110/10; F24F2110/20
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) | 1943-11-19 | 1944-05-20 | 1944-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-11-19 | 1948-05-20 | 1948-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-11-19 | 1952-05-20 | 1952-11-19 | $7700.00 | Window Closed / Lapsed |