Patent US42452A successfully refreshed from Google Patents.
US42452A
Expired / Lapsed
US
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Improvement in holders for car-doors
Assignee: —
•
Filing: —
•
Granted: 1864-04-19
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Expires: 1881-04-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:44
CPC Classifications
B; B61; B61D; B61D19/00; B61D19/003; B61D19/005; E; E05; E05F; E05F17/00; E05F17/004; E05Y; E05Y2900/00; E05Y2900/50; E05Y2900/51
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) | 1867-04-19 | 1867-10-19 | 1868-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1871-04-19 | 1871-10-19 | 1872-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1875-04-19 | 1875-10-19 | 1876-04-19 | $7700.00 | Window Closed / Lapsed |