US2962325A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Discharging means for hopper car
Assignee: INTERPRISE RAILWAY EQUIPMENT C
•
Filing: 1958-06-30
•
Granted: 1960-11-29
•
Expires: 1978-06-30
Abstract
No abstract record available.
Inventors
- 👤 George B Dorey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:19
CPC Classifications
B; B61; B61D; B61D7/00; B61D7/14; B61D7/16; B61D7/20; B60; B60P; B60P1/00; B60P1/56; B61D5/00; B61D5/002; B61D5/004; B65; B65D; B65D90/00; B65D90/54; B65D90/58; B65D90/587
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2116603A
Cited
US2190727A
Cited
US2393932A
Cited
US2695196A
Cited
US2638060A
Cited
US2647802A
Cited
US2650726A
Cited
US2690138A
Cited
US2749851A
Cited
US2745563A
Cited
US2891817A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |