US3227136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extrusion coating apparatus
Assignee: Eastman Kodak Co
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Filing: 1961-10-26
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Granted: 1966-01-04
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Expires: 1981-10-26
Abstract
No abstract record available.
Inventors
- 👤 Lawrence C Bartlett
- 👤 Walker F Hunter
- 👤 Jerome S Osmalov
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:33
CPC Classifications
B; B05; B05D; B05D5/00; B05D5/12; B05C; B05C5/00; B05C5/001; B05C5/02; B05C5/0254; B29; B29C; B29C48/00; B29C48/022; B29C48/03; B29C48/07; B29C48/25; B29C48/30; B29C48/305; G; G11; G11B; G11B5/00; G11B5/84; G11B5/848; B29C48/08; B29K; B29K2105/00; B29K2105/06; B29K2105/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
AN EXTRUSION HOPPER COMPRISING A BODY HAVING FORMED THEREIN A GENERALLY CYLINDRICAL ELONGATED CHAMBER HAVING A PERIPHERAL WALL, SAID BODY HAVING A SLOT EXTENDING GENERALLY RADIALLY OUTWARDLY THROUGH SAID PERIPHERAL WALL OF SAID CHAMBER AND TERMINATING IN AN EXTRUSION ORIFICE AT THE EXTERIOR OF SAID BODY, A SUBSTANTIALLY SMOOTH CYLINDRICAL ROTOR HAVING ITS AXIS EXTENDING AXIALLY OF AN GENERALLY COXIAL WITH SAID CHAMBER AND MOUNTED FOR ROTATION THEREIN, THE OUTER PERIPHERY OF SAID ROTOR BEING
Claim 2
Dependent Claim
75 words
AN EXTRUSION HOPPER COMPRISING A BODY HAVING FORMED THEREIN A GENERALLY CYLINDRICAL ELONGATED CHAMBER HAVING A PERIPHERAL WALL, SAID BODY HAVING A SLOT EXTENDING GENERALLY RADIALLY OUTWARDLY THROUGH SAID PERIPHERAL WALL OF SAID CHAMBER AND TERMINATING IN AN EXTRUSION ORIFICE AT THE EXTERIOR OF SAID BODY, A SUBSTANTIALLY SMOOTH CYLINDRICAL ROTOR HAVING ITS AXIS EXTENDING AXIALLY OF AN GENERALLY COXIAL WITH SAID CHAMBER AND MOUNTED FOR ROTATION THEREIN, THE OUTER PERIPHERY OF SAID ROTOR BEING
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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |