US3083685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper coating apparatus
Assignee: Airco Inc
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Filing: 1960-06-27
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Granted: 1963-04-02
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Expires: 1980-06-27
Abstract
No abstract record available.
Inventors
- 👤 George P Colgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:57
CPC Classifications
D; D21; D21H; D21H23/00; D21H23/78; D21H25/00; D21H25/08; D21H5/00; D21H5/0005; D21H5/006; D21H5/0062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN AN APPARATUS FOR COATING AT LEAST ONE SURFACE OF A SHEET MATERIAL, WHEREIN THE SURFACE OF SAID MATERIAL TO BE COATED IS CONTACTED WITH A BODY OF A COATING LIQUID, A DEVICE FOR CONTROLLING THE CHARACTERISTICS OF SAID COATING, WHICH COMPRISES A RIGID METERING BLADE, EXTENDING ACROSS THE COATED SIDE OF SAID SHEET MATERIAL, FROM EDGE TO EDGE, IN CONTACTING RELATION THERETO, AN AIR KNIFE POSITIONED IN EDGE ALIGNMENT WITH SAID METERING BLADE, SAID AIR KNIFE SPACED FROM SAID METERING BLADE, THE IMPROVEMENT COMPRISING A FLEXIBLE BELT, THE LOWER REACH OF WHICH IS INTERPOSED BETWEEN SAID AIR KNIFE AND SAID SHEET MATERIAL, IN CONTACTING RELATION WITH SAID SHEET MATERIAL AND DISPOSED ACROSS THE ENTIRE WIDTH THEREOF.
Claim 2
Dependent Claim
117 words
IN AN APPARATUS FOR COATING AT LEAST ONE SURFACE OF A SHEET MATERIAL, WHEREIN THE SURFACE OF SAID MATERIAL TO BE COATED IS CONTACTED WITH A BODY OF A COATING LIQUID, A DEVICE FOR CONTROLLING THE CHARACTERISTICS OF SAID COATING, WHICH COMPRISES A RIGID METERING BLADE, EXTENDING ACROSS THE COATED SIDE OF SAID SHEET MATERIAL, FROM EDGE TO EDGE, IN CONTACTING RELATION THERETO, AN AIR KNIFE POSITIONED IN EDGE ALIGNMENT WITH SAID METERING BLADE, SAID AIR KNIFE SPACED FROM SAID METERING BLADE, THE IMPROVEMENT COMPRISING A FLEXIBLE BELT, THE LOWER REACH OF WHICH IS INTERPOSED BETWEEN SAID AIR KNIFE AND SAID SHEET MATERIAL, IN CONTACTING RELATION WITH SAID SHEET MATERIAL AND DISPOSED ACROSS THE ENTIRE WIDTH THEREOF.
References Cited (Backward Citations)
US2711156A
Cited
US2904448A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |