US2422201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Truck
Assignee: American Steel Foundries
•
Filing: 1943-12-13
•
Granted: 1947-06-17
•
Expires: 1963-12-13
Abstract
No abstract record available.
Inventors
- 👤 Leo A Lehrman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:28
CPC Classifications
B; B61; B61F; B61F5/00; B61F5/02; B61F5/04; B61F5/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2053991A
Cited
US2118006A
Cited
US2257109A
Cited
US2306395A
Cited
US2346860A
Cited
US2362989A
Cited
US2392597A
Cited
US2392599A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-16 | 1950-12-16 | 1951-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-16 | 1954-12-16 | 1955-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-16 | 1958-12-16 | 1959-06-17 | $7700.00 | Window Closed / Lapsed |