US2483523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door for bulk commodity railroad cars
Assignee: BRANCO Corp
•
Filing: 1944-05-19
•
Granted: 1949-10-04
•
Expires: 1964-05-19
Abstract
No abstract record available.
Inventors
- 👤 Brandon Martin
- 👤 Franklin P Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:59
CPC Classifications
B; B61; B61D; B61D19/00; B61D19/001; B61D19/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US532774A
Cited
US1181785A
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US1744561A
Cited
US1895625A
Cited
US2116260A
Cited
FR830617A
Cited
US2310860A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-03 | 1953-04-04 | 1953-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-03 | 1957-04-04 | 1957-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-03 | 1961-04-04 | 1961-10-04 | $7700.00 | Window Closed / Lapsed |