US3379478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railway cars for transporting pulverulent material ladings
Assignee: General American Transportation Corp
•
Filing: 1966-02-16
•
Granted: 1968-04-23
•
Expires: 1986-02-16
Abstract
No abstract record available.
Inventors
- 👤 Edmund R Aller
- 👤 Robert F Loomis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:35
CPC Classifications
B; B61; B61D; B61D5/00; B61D5/002; B61D5/004
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CA667569A
Cited
US2901133A
Cited
US3105721A
Cited
US3277842A
Cited
US3277843A
Cited
US3212824A
Cited
US3252431A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |