US2856864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Articulated cars
Assignee: ACF Industries Inc
•
Filing: 1955-03-03
•
Granted: 1958-10-21
•
Expires: 1975-03-03
Abstract
No abstract record available.
Inventors
- 👤 Harry J Harbulak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:59
CPC Classifications
B; B61; B61G; B61G5/00; B61G5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US46784A
Cited
US1459250A
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US1796347A
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US2274471A
Cited
US2153389A
Cited
US2705926A
Cited
US2676550A
Cited
US2708887A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-20 | 1962-04-21 | 1962-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-20 | 1966-04-21 | 1966-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-20 | 1970-04-21 | 1970-10-21 | $7700.00 | Window Closed / Lapsed |