US2947187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the rotation of drums
Assignee: Columbia Malting Co
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Filing: 1957-03-15
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Granted: 1960-08-02
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Expires: 1977-03-15
Abstract
No abstract record available.
Inventors
- 👤 Alan R Graff
- 👤 Gordon O Garis
- 👤 Robert L Butts
- 👤 Edwin C Juergens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:34
CPC Classifications
F; F27; F27B; F27B7/00; F27B7/20; F27B7/26; B; B65; B65G; B65G23/00; B65G65/00; B65G65/23; C; C12; C12C; C12C1/00; C12C1/027; C12C1/033; C12C1/067; C12C1/12; F15; F15B; F15B15/00; F15B15/02; F15B15/06; F15B15/061; F16; F16H; F16H31/00; F16H31/003; F16H31/005; F26; F26B; F26B11/00; F26B11/02; F26B11/022; F27B2007/261; F27B2007/263; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1529; Y10T74/1531; Y10T74/1553; Y10T74/1555; Y10T74/1558; Y10T74/1584; Y10T74/21; Y10T74/2133; Y10T74/2136; Y10T74/2141
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |