Patent US1322919A successfully refreshed from Google Patents.
Patent US2761791A successfully refreshed from Google Patents.
US2761791A
Expired / Lapsed
US
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Method of multiple coating
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
2026-11-07 20:26
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
146 words
THE METHOD OF SIMULTANEOUSLY APPLYING THIN COATINGS OF A PLURALITY OF COLLOIDAL MATERIALS ONTO A WEB SUPPORT IN DISTINCT LAYER RELATIONSHIP COMPRISING THE STEPS OF MAKING A SOLUTION OF EACH OF SAID COLLOIDAL MATERIALS, FORMING A COATING BEAD OF SAID SOLUTIONS IN BRIDGING RELATION BETWEEN THE SURFACE OF THE SUPPORT AND A STATIONARY COATING DEVICE SPACED TRANSVERSELY THEREFROM, SIMULTANEOUSLY FEEDING EACH OF SAID SOLUTIONS IN THE FORM OF A LAYER INTO SAID BEAD AND IN SUPERPOSED RELATION TO THE OTHER SOLUTIONS WHEREBY THE INDIVIDUAL LAYERS ARE MAINTAINED IN DISTINCT SUPERPOSED RELATION, AND CONTINUOUSLY MOVING THE SURFACE OF SAID SUPPORT ACROSS AND IN CONTACT WITH SAID BEAD SO THAT THE SURFACE OF THE SUPPORT ENGAGES ONE OF THE OUTERMOST OF THE SUPERPOSED LAYERS IN SAID BEAD AND SIMULTANEOUSLY PICKS UP ALL OF SAID LAYERS AND MOVES AWAY FROM THE BEAD WITH THE SOLUTIONS IN DISTINCT SUPERPOSED LAYERS.
Claim 2
Independent Claim
146 words
THE METHOD OF SIMULTANEOUSLY APPLYING THIN COATINGS OF A PLURALITY OF COLLOIDAL MATERIALS ONTO A WEB SUPPORT IN DISTINCT LAYER RELATIONSHIP COMPRISING THE STEPS OF MAKING A SOLUTION OF EACH OF SAID COLLOIDAL MATERIALS, FORMING A COATING BEAD OF SAID SOLUTIONS IN BRIDGING RELATION BETWEEN THE SURFACE OF THE SUPPORT AND A STATIONARY COATING DEVICE SPACED TRANSVERSELY THEREFROM, SIMULTANEOUSLY FEEDING EACH OF SAID SOLUTIONS IN THE FORM OF A LAYER INTO SAID BEAD AND IN SUPERPOSED RELATION TO THE OTHER SOLUTIONS WHEREBY THE INDIVIDUAL LAYERS ARE MAINTAINED IN DISTINCT SUPERPOSED RELATION, AND CONTINUOUSLY MOVING THE SURFACE OF SAID SUPPORT ACROSS AND IN CONTACT WITH SAID BEAD SO THAT THE SURFACE OF THE SUPPORT ENGAGES ONE OF THE OUTERMOST OF THE SUPERPOSED LAYERS IN SAID BEAD AND SIMULTANEOUSLY PICKS UP ALL OF SAID LAYERS AND MOVES AWAY FROM THE BEAD WITH THE SOLUTIONS IN DISTINCT SUPERPOSED LAYERS.
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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 |