Patent US1983323A successfully refreshed from Google Patents.
US167035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in screw-cutting dies
Assignee: —
•
Filing: —
•
Granted: 1875-08-24
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Expires: 1892-08-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:34
CPC Classifications
B; B23; B23G; B23G5/00; B23G5/08; B23G5/10; B23B; B23B29/00; B23B29/03; B23B29/034; B23B29/03403; B23B29/03407; B23G5/083; Y; Y10; Y10T; Y10T408/00; Y10T408/83; Y10T408/85; Y10T408/858; Y10T408/8598
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) | 1878-08-23 | 1879-02-22 | 1879-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1882-08-23 | 1883-02-22 | 1883-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1886-08-23 | 1887-02-22 | 1887-08-24 | $7700.00 | Window Closed / Lapsed |