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US86683A
Expired / Lapsed
US
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Improvement in attaching- knobs to their spindles
Assignee: —
•
Filing: —
•
Granted: 1869-02-09
•
Expires: 1886-02-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:55
CPC Classifications
E; E05; E05B; E05B3/00; E05B3/003; Y; Y10; Y10T; Y10T292/00; Y10T292/85; Y10T292/865; Y10T403/00; Y10T403/46
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) | 1872-02-09 | 1872-08-10 | 1873-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1876-02-09 | 1876-08-10 | 1877-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1880-02-09 | 1880-08-10 | 1881-02-09 | $7700.00 | Window Closed / Lapsed |