Patent US269790A successfully refreshed from Google Patents.
US269790A
Expired / Lapsed
US
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Metal-screw machine
Assignee: —
•
Filing: —
•
Granted: 1882-12-26
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Expires: 1899-12-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:30
CPC Classifications
B; B23; B23B; B23B7/00; B23B7/02; Y; Y10; Y10T; Y10T29/00; Y10T29/47; Y10T29/51; Y10T29/5168; Y10T29/5171; Y10T29/5172
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) | 1885-12-25 | 1886-06-26 | 1886-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1889-12-25 | 1890-06-26 | 1890-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1893-12-25 | 1894-06-26 | 1894-12-26 | $7700.00 | Window Closed / Lapsed |