US3098797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary malting drum with adjustable louvers
Assignee: Columbia Malting Co
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Filing: 1961-01-19
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Granted: 1963-07-23
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Expires: 1981-01-19
Abstract
No abstract record available.
Inventors
- 👤 Alan R Graff
- 👤 Ralph B Oesting
- 👤 Perry K Marple
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:24
CPC Classifications
C; C12; C12C; C12C1/00; C12C1/15; C12C1/027; C12C1/033
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
IN ROTARY MALTING DRUM, THE COMBINATION WITH AN OUTER CYLINDRICAL MEMBER, OF AN INNER CYLINDRICAL MEMBER DISPOSED CONCENTRIC WITH RESPECT THERETO, THE CYLINDRICAL WALL OF TH INNER MEMBER BEING PERFORATED TO PERMIT THE ESCAPE OF AIR FROM WITHIN THE MEMBER, A PLU-
Claim 2
Dependent Claim
42 words
IN ROTARY MALTING DRUM, THE COMBINATION WITH AN OUTER CYLINDRICAL MEMBER, OF AN INNER CYLINDRICAL MEMBER DISPOSED CONCENTRIC WITH RESPECT THERETO, THE CYLINDRICAL WALL OF TH INNER MEMBER BEING PERFORATED TO PERMIT THE ESCAPE OF AIR FROM WITHIN THE MEMBER, A PLU-
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) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |