Patent US220996A successfully refreshed from Google Patents.
US220996A
Expired / Lapsed
US
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Improvement in tools for securing bushes in holes
Assignee: —
•
Filing: —
•
Granted: 1879-10-28
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Expires: 1896-10-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:20
CPC Classifications
B; B21; B21J; B21J15/00; B21J15/10; B21J15/30; B21J15/32; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49833; Y10T29/49908; Y10T29/49915; Y10T29/49922; Y10T29/49938
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) | 1882-10-27 | 1883-04-28 | 1883-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1886-10-27 | 1887-04-28 | 1887-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1890-10-27 | 1891-04-28 | 1891-10-28 | $7700.00 | Window Closed / Lapsed |