US2761418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple coating apparatus
Assignee: Eastman Kodak Co
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Filing: 1955-02-23
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Granted: 1956-09-04
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Expires: 1975-02-23
Abstract
No abstract record available.
Inventors
- 👤 Theodore A Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:20
CPC Classifications
B; B05; B05D; B05D1/00; B05D1/34; B05C; B05C5/00; B05C5/007; B05C5/02; B05C5/0254; B05C5/0258; B05C9/00; B05C9/06; B29; B29C; B29C48/00; B29C48/03; B29C48/07; B29C48/08; B29C48/16; B29C48/18; B29C48/21; B29C48/25; B29C48/255; B29C48/2556; B29C48/30; B29C48/305; B29C48/307; B29C48/31; B29C48/88; B29C48/911; B29C48/9135; B29C48/914; D; D06; D06B; D06B11/00; D06B11/0056; D06B11/0069; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/46; D21H5/00; D21H5/0005; D21H5/0042; G; G03; G03C; G03C1/00; G03C1/74
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
AN APPARATUS FOR SIMULTANEOUSLY FEEDING A PLURALITY OF FLUID COATING COMPOSITIONS IN SUPERPOSED AND DISTINCT LAYER RELATIONSHIP TO A POINT OF DEPOSITION WHERE THEY ARE SIMULTANEOUSLY DEPOSITED ONTO THE SURFACE OF A WEB IN SUCH LAYER RELATIONSHIP AND COMPRISING A HOPPER PROVIDED WITH A DISCHARGE SLOT, A PLURALITY OF CLOSED CHAMBERS WITHIN SAID HOPPER, ONE FOR EACH COATING COMPOSITION, AN ELONGATED DUCT CONNECTING EACH CHAMBER WITH THE HOPPER DISCHARGE SLOT ADAPTED TO FORM A LAYER OF THE COATING COMPOSITION EXTRUDED THERETHROUGH, EACH OF SAID DUCTS DIRECTED
Claim 2
Independent Claim
86 words
AN APPARATUS FOR SIMULTANEOUSLY FEEDING A PLURALITY OF FLUID COATING COMPOSITIONS IN SUPERPOSED AND DISTINCT LAYER RELATIONSHIP TO A POINT OF DEPOSITION WHERE THEY ARE SIMULTANEOUSLY DEPOSITED ONTO THE SURFACE OF A WEB IN SUCH LAYER RELATIONSHIP AND COMPRISING A HOPPER PROVIDED WITH A DISCHARGE SLOT, A PLURALITY OF CLOSED CHAMBERS WITHIN SAID HOPPER, ONE FOR EACH COATING COMPOSITION, AN ELONGATED DUCT CONNECTING EACH CHAMBER WITH THE HOPPER DISCHARGE SLOT ADAPTED TO FORM A LAYER OF THE COATING COMPOSITION EXTRUDED THERETHROUGH, EACH OF SAID DUCTS DIRECTED
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) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |