US2174358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiator shutter construction
Assignee: Individual
•
Filing: 1938-06-13
•
Granted: 1939-09-26
•
Expires: 1958-06-13
Abstract
No abstract record available.
Inventors
- 👤 Edward A Blumenthal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:14
CPC Classifications
B; B60; B60K; B60K11/00; B60K11/08; B60K11/085; F; F01; F01P; F01P7/00; F01P7/02; F01P7/10; Y; Y02; Y02T; Y02T10/00; Y02T10/80; Y02T10/88; Y10; Y10S; Y10S165/00; Y10S165/092; Y10S165/093; Y10S165/096; Y10S165/097
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) | 1942-09-25 | 1943-03-27 | 1943-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-09-25 | 1947-03-27 | 1947-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-09-25 | 1951-03-27 | 1951-09-26 | $7700.00 | Window Closed / Lapsed |