US2730964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hopper car
Assignee: General American Transportation Corp
•
Filing: 1950-03-10
•
Granted: 1956-01-17
•
Expires: 1970-03-10
Abstract
No abstract record available.
Inventors
- 👤 Fred G Garlock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:35
CPC Classifications
B; B61; B61D; B61D7/00; B61D7/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US703276A
Cited
US795722A
Cited
US1810770A
Cited
US2140268A
Cited
US2051984A
Cited
US2042151A
Cited
US2405793A
Cited
US2306148A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |