Patent US3457235A successfully refreshed from Google Patents.
US870748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stirrer for mash-tubs.
Assignee: SELG BREWERY APPARATUS CO
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Filing: 1907-08-30
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Granted: 1907-11-12
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Expires: 1927-08-30
Abstract
No abstract record available.
Inventors
- 👤 Otto Selg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:42
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/05; B01F27/07; B01F27/071; Y; Y10; Y10S; Y10S366/00; Y10S366/607
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) | 1910-11-11 | 1911-05-13 | 1911-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-11-11 | 1915-05-13 | 1915-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-11-11 | 1919-05-13 | 1919-11-12 | $7700.00 | Window Closed / Lapsed |