US3025828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating apparatus
Assignee: EIDP Inc
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Filing: 1960-05-05
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Granted: 1962-03-20
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Expires: 1980-05-05
Abstract
No abstract record available.
Inventors
- 👤 Heilman Kenneth Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:28
CPC Classifications
D; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/32; D21H23/40; B; B05; B05C; B05C11/00; B05C11/11; D21H5/00; D21H5/0005; D21H5/0012; D21H5/0015; G; G03; G03C; G03C1/00; G03C1/74
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A COATING APPARATUS COMPRISING AN ELONGATED SUPPLY CHAMBER HAVING SMOOTH CURVED, CONVERGING WALLS IN ITS UPPER INNER SURFACE LEADING TO A NARROW ORIFICE EXTENDING LENGTHWISE OF SAID CHAMBER, AN INLET FOR INTRODUCING FLUID COATING MATERIAL INTO THE SAID CHAMBER, SAID ORIFICE COMMUNICATING WITH A COATING PAN HAVING DIVERGING FRONT AND REAR WALLS THE BOTTOM EDGES OF WHICH EMANATE FROM A POINT CLOSE TO THE ORIFICE AND THE UPPER EDGES OF WHICH ARE SPACED A SUBSTANTIAL DISTANCE APART AND ADAPTED TO RECEIVE A GUIDE ROLLER AND A WEB TRANSPORTED THEREBY, AND END WALLS FOR SAID COATING PAN.
Claim 2
Dependent Claim
96 words
A COATING APPARATUS COMPRISING AN ELONGATED SUPPLY CHAMBER HAVING SMOOTH CURVED, CONVERGING WALLS IN ITS UPPER INNER SURFACE LEADING TO A NARROW ORIFICE EXTENDING LENGTHWISE OF SAID CHAMBER, AN INLET FOR INTRODUCING FLUID COATING MATERIAL INTO THE SAID CHAMBER, SAID ORIFICE COMMUNICATING WITH A COATING PAN HAVING DIVERGING FRONT AND REAR WALLS THE BOTTOM EDGES OF WHICH EMANATE FROM A POINT CLOSE TO THE ORIFICE AND THE UPPER EDGES OF WHICH ARE SPACED A SUBSTANTIAL DISTANCE APART AND ADAPTED TO RECEIVE A GUIDE ROLLER AND A WEB TRANSPORTED THEREBY, AND END WALLS FOR SAID COATING PAN.
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) | 1965-03-19 | 1965-09-18 | 1966-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-19 | 1969-09-18 | 1970-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-19 | 1973-09-18 | 1974-03-20 | $7700.00 | Window Closed / Lapsed |