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US2071A
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Manner op constructing railroad-carriages so as to ease the lateral
Assignee: —
•
Filing: —
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Granted: 1841-05-04
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Expires: 1858-05-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 23:14
CPC Classifications
B; B61; B61F; B61F5/00; B61F5/02; B61F5/14; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1844-05-03 | 1844-11-02 | 1845-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1848-05-03 | 1848-11-02 | 1849-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1852-05-03 | 1852-11-02 | 1853-05-04 | $7700.00 | Window Closed / Lapsed |