US3028023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System of handling freight
Assignee: Individual
•
Filing: 1958-04-02
•
Granted: 1962-04-03
•
Expires: 1978-04-02
Abstract
No abstract record available.
Inventors
- 👤 Raymond A Eckersall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:21
CPC Classifications
B; B61; B61D; B61D47/00; B60; B60P; B60P1/00; B60P1/64; B60P1/6418; B60P1/6427; B61D45/00; B61D45/007
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |