US3282228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tank car
Assignee: Union Tank Car Co
•
Filing: 1964-02-18
•
Granted: 1966-11-01
•
Expires: 1984-02-18
Abstract
No abstract record available.
Inventors
- 👤 Charles L Spees
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:24
CPC Classifications
B; B61; B61D; B61D5/00; B61D5/06; B65; B65D; B65D88/00; B65D88/02; B65D88/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US846646A
Cited
US2000819A
Cited
US2011076A
Cited
US2513450A
Cited
US2873519A
Cited
US2948061A
Cited
US3139841A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |