US103642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improved bolt-threader
Assignee: —
•
Filing: —
•
Granted: 1870-05-31
•
Expires: 1887-05-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:58
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/03; B23B29/034; B23B29/03403; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17017; Y10T279/18; Y10T408/00; Y10T408/83; Y10T408/85; Y10T408/858; Y10T408/859
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) | 1873-05-30 | 1873-11-29 | 1874-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1877-05-30 | 1877-11-29 | 1878-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1881-05-30 | 1881-11-29 | 1882-05-31 | $7700.00 | Window Closed / Lapsed |