US2280642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiator and radiator shutter assembly
Assignee: Pines Winterfront Co
•
Filing: 1938-06-23
•
Granted: 1942-04-21
•
Expires: 1958-06-23
Abstract
No abstract record available.
Inventors
- 👤 William C Agerell
- 👤 Arthur C Mueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:08
CPC Classifications
F; F01; F01P; F01P7/00; F01P7/02; F01P7/10; Y; Y10; Y10S; Y10S165/00; Y10S165/092; Y10S165/093; Y10S165/096; Y10S165/097; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/2042; Y10T74/20426
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) | 1945-04-20 | 1945-10-20 | 1946-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-04-20 | 1949-10-20 | 1950-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-04-20 | 1953-10-20 | 1954-04-21 | $7700.00 | Window Closed / Lapsed |