US2484512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drop end gondola car
Assignee: Individual
•
Filing: 1945-06-28
•
Granted: 1949-10-11
•
Expires: 1965-06-28
Abstract
No abstract record available.
Inventors
- 👤 Ingram Orville
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:00
CPC Classifications
B; B61; B61D; B61D7/00; B61D7/14; B61D7/16; B61D7/24; B61D7/26; Y; Y10; Y10S; Y10S414/00; Y10S414/126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US581664A
Cited
GB189722721A
Cited
US709193A
Cited
US2061318A
Cited
FR740753A
Cited
GB457500A
Cited
US2151335A
Cited
US2167427A
Cited
US2306815A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-10 | 1953-04-11 | 1953-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-10 | 1957-04-11 | 1957-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-10 | 1961-04-11 | 1961-10-11 | $7700.00 | Window Closed / Lapsed |