US2159741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bed air conditioning apparatus
Assignee: Motors Liquidation Co
•
Filing: 1933-08-30
•
Granted: 1939-05-23
•
Expires: 1953-08-30
Abstract
No abstract record available.
Inventors
- 👤 Charles F Kettering
- 👤 Edwin C Sittler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:16
CPC Classifications
A; A47; A47C; A47C21/00; A47C21/04; A47C21/042; A47C21/044; F; F24; F24F; F24F1/00; F24F1/02; F24F1/022; F24F1/04
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) | 1942-05-22 | 1942-11-21 | 1943-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-05-22 | 1946-11-21 | 1947-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-05-22 | 1950-11-21 | 1951-05-23 | $7700.00 | Window Closed / Lapsed |