US143668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in rein-holders
Assignee: —
•
Filing: —
•
Granted: 1873-10-14
•
Expires: 1890-10-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:19
CPC Classifications
B; B68; B68B; B68B5/00; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3401; Y10T24/3403; Y10T24/40; Y10T24/4002; Y10T24/4088; Y10T24/4093
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) | 1876-10-13 | 1877-04-14 | 1877-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1880-10-13 | 1881-04-14 | 1881-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1884-10-13 | 1885-04-14 | 1885-10-14 | $7700.00 | Window Closed / Lapsed |