US2940402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railroad cars for transporting sheets or plates
Assignee: Libbey Owens Ford Glass Co
•
Filing: 1953-10-23
•
Granted: 1960-06-14
•
Expires: 1973-10-23
Abstract
No abstract record available.
Inventors
- 👤 Ralph C Hansen
- 👤 Jr Charles A Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:54
CPC Classifications
B; B61; B61D; B61D3/00; B61D3/16; B61D45/00; B61D45/001; B61D45/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1785982A
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US1994717A
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US2100971A
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US2056815A
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US2169677A
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US2518624A
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US2507769A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |