US2253676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine foundation for vehicles
Assignee: Wingfoot Corp
•
Filing: 1939-02-08
•
Granted: 1941-08-26
•
Expires: 1959-02-08
Abstract
No abstract record available.
Inventors
- 👤 Brunolf C Baade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:13
CPC Classifications
B; B61; B61C; B61C17/00; B61D; B61D17/00; B61D17/04; B61D17/10; Y; Y10; Y10S; Y10S220/00; Y10S220/24
Claims Analysis
Total Claims: 0
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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) | 1944-08-25 | 1945-02-24 | 1945-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-08-25 | 1949-02-24 | 1949-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-08-25 | 1953-02-24 | 1953-08-26 | $7700.00 | Window Closed / Lapsed |