US2429449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic defroster assembly
Assignee: Borg Warner Corp
•
Filing: 1941-06-06
•
Granted: 1947-10-21
•
Expires: 1961-06-06
Abstract
No abstract record available.
Inventors
- 👤 John C Buchanan
- 👤 Ira H Reindel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:56
CPC Classifications
F; F25; F25D; F25D21/00; F25D21/002; F25D21/008
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1913433A
Cited
US1979103A
Cited
US1926652A
Cited
US1984639A
Cited
US1961144A
Cited
US2095102A
Cited
US2107562A
Cited
US2100992A
Cited
US2223947A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-20 | 1951-04-21 | 1951-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-20 | 1955-04-21 | 1955-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-20 | 1959-04-21 | 1959-10-21 | $7700.00 | Window Closed / Lapsed |