US3098371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perforated drum material treatment device having a plurality of treatment zones
Assignee: Truetzschler Nonwovens GmbH
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Filing: 1960-10-26
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Granted: 1963-07-23
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Expires: 1980-10-26
Abstract
No abstract record available.
Inventors
- 👤 Fleissner Gerold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:15
CPC Classifications
D; D06; D06C; D06C7/00; D06C7/02; D06B; D06B3/00; D06B3/10; D06B3/20; D06B3/201; D06B3/203; D06B5/00; D06B5/02; D06B5/08; D06B5/10; D06B2700/00; D06B2700/09; D06C2700/00; D06C2700/13; Y; Y10; Y10S; Y10S68/00; Y10S68/902; Y10S68/903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A DEVICE FOR TREATING PERMEABLE MATERIALS, COMPRISING A ROTATABLE PERFORATED DRUM CLOSED AT ONE END AND HAVING AN OPENING AT THE OPPOSITE END, A CASING SURROUNDING SAID DRUM, WALL MEANS ON THE INTRIOR OF SAID CASING EXTENDING FROM THE INTERIOR WALL OF SAID CASING INWARDLY TO A LOCATION SPACED RADIALLY FROM SAID DRUM BY AN AMOUNT TO PERMIT PASSAGE OF MATERIAL ON SAID DRUM AND DEFINING A PLURALITY OF ZONES IN SAID CASING BETWEEN THE INTERIOR WALL THEREOF AND SAID DRUM, AND A FAN HAVING AN INLET DISPOSED IN THE OPENING AT ONE END OF SAID DRUM AND INCLUDING MEANS TO DISCHARGE FLUID INTO SAID ZONES.
Claim 2
Independent Claim
106 words
A DEVICE FOR TREATING PERMEABLE MATERIALS, COMPRISING A ROTATABLE PERFORATED DRUM CLOSED AT ONE END AND HAVING AN OPENING AT THE OPPOSITE END, A CASING SURROUNDING SAID DRUM, WALL MEANS ON THE INTRIOR OF SAID CASING EXTENDING FROM THE INTERIOR WALL OF SAID CASING INWARDLY TO A LOCATION SPACED RADIALLY FROM SAID DRUM BY AN AMOUNT TO PERMIT PASSAGE OF MATERIAL ON SAID DRUM AND DEFINING A PLURALITY OF ZONES IN SAID CASING BETWEEN THE INTERIOR WALL THEREOF AND SAID DRUM, AND A FAN HAVING AN INLET DISPOSED IN THE OPENING AT ONE END OF SAID DRUM AND INCLUDING MEANS TO DISCHARGE FLUID INTO SAID ZONES.
References Cited (Backward Citations)
US354797A
Cited
US1807580A
Cited
US1907429A
Cited
US2080635A
Cited
US2494807A
Cited
US2919496A
Cited
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 |