Patent US218450A successfully refreshed from Google Patents.
US218450A
Expired / Lapsed
US
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Improvement in curd-cutters
Assignee: —
•
Filing: —
•
Granted: 1879-08-12
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Expires: 1896-08-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:25
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/01; B26D1/547; B26D1/553; B23; B23D; B23D19/00; B23D19/04; B23D19/06; Y; Y10; Y10T; Y10T83/00; Y10T83/647; Y10T83/6476; Y10T83/6489; Y10T83/6584; Y10T83/66
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) | 1882-08-11 | 1883-02-10 | 1883-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1886-08-11 | 1887-02-10 | 1887-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1890-08-11 | 1891-02-10 | 1891-08-12 | $7700.00 | Window Closed / Lapsed |