US2502741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dump vehicle tilting and locking
Assignee: National Fitch Corp
•
Filing: 1949-04-25
•
Granted: 1950-04-04
•
Expires: 1969-04-25
Abstract
No abstract record available.
Inventors
- 👤 Ragnar A Norbom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:16
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/04; B60P1/16; B60P1/165; B60P1/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US853512A
Cited
US2023700A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-03 | 1953-10-03 | 1954-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-03 | 1957-10-03 | 1958-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-03 | 1961-10-03 | 1962-04-04 | $7700.00 | Window Closed / Lapsed |