Patent US2865309A successfully refreshed from Google Patents.
US2865309A
Expired / Lapsed
US
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Gondola car end
Assignee: General Steel Castings Corp
•
Filing: 1954-08-11
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Granted: 1958-12-23
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Expires: 1974-08-11
Abstract
No abstract record available.
Inventors
- 👤 Richard L Lich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:43
CPC Classifications
B; B61; B61D; B61D9/00; B61D9/04; B61D9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US725213A
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US824550A
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US1108139A
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US1171662A
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US1208898A
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US1432928A
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US1589580A
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US1627392A
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US1527398A
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US1649492A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |