US491445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass-batch mixer
Assignee: —
•
Filing: —
•
Granted: 1893-02-07
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Expires: 1910-02-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:20
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/05; B01F27/11; B01F27/112; A; A23; A23G; A23G1/00; A23G1/04; A23G1/10
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) | 1896-02-07 | 1896-08-08 | 1897-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1900-02-07 | 1900-08-09 | 1901-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1904-02-08 | 1904-08-09 | 1905-02-08 | $7700.00 | Window Closed / Lapsed |