US2944405A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conservation arrangement
Assignee: Union Tank Car Co
•
Filing: 1955-10-27
•
Granted: 1960-07-12
•
Expires: 1975-10-27
Abstract
No abstract record available.
Inventors
- 👤 Cleburne A Basore
- 👤 William L Barham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:28
CPC Classifications
B; B65; B65D; B65D90/00; B65D90/22; B65D90/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR954926A
Cited
US977281A
Cited
US1619661A
Cited
US1490782A
Cited
US2083611A
Cited
US2059942A
Cited
DE685425C
Cited
US2313087A
Cited
US2682154A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |