Patent US4933680A successfully refreshed from Google Patents.
Patent US811145A successfully refreshed from Google Patents.
US811145A
Expired / Lapsed
US
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Mixing apparatus.
Assignee: INSTRUCTING AND Manufacturing Co
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Filing: 1905-02-23
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Granted: 1906-01-30
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Expires: 1925-02-23
Abstract
No abstract record available.
Inventors
- 👤 Charles S Higgins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:59
CPC Classifications
B; B01; B01F; B01F35/00; B01F35/90; B01F35/95; Y; Y10; Y10S; Y10S165/00; Y10S165/135; Y10S165/139; Y10S165/152; Y10S165/154; Y10S165/155
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) | 1909-01-29 | 1909-07-31 | 1910-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-01-29 | 1913-07-31 | 1914-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-01-29 | 1917-07-31 | 1918-01-30 | $7700.00 | Window Closed / Lapsed |