US2473126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Freight platform bridge
Assignee: Individual
•
Filing: 1946-04-26
•
Granted: 1949-06-14
•
Expires: 1966-04-26
Abstract
No abstract record available.
Inventors
- 👤 Elisha E Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:17
CPC Classifications
B; B61; B61J; B61J1/00; B61J1/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US58492A
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US309812A
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US749595A
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US691035A
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US747836A
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US1139240A
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US1380229A
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US1600021A
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US1700464A
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US1694516A
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US2141529A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-13 | 1952-12-13 | 1953-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-13 | 1956-12-13 | 1957-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-13 | 1960-12-13 | 1961-06-14 | $7700.00 | Window Closed / Lapsed |