US3224897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for producing cast coated paper
Assignee: Mead Corp
•
Filing: 1960-08-19
•
Granted: 1965-12-21
•
Expires: 1980-08-19
Abstract
No abstract record available.
Inventors
- 👤 John W Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:43
CPC Classifications
D; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/52; D21H23/56; D21H23/58; D21H23/62; D21G; D21G9/00; D21G9/009; D21H5/00; D21H5/0005; D21H5/0025; D21H5/003; D21H5/0032; D21H5/0037
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
126 words
WEB COATING APPARATUS COMPRISING AN APPLICATOR ROLL, A BACKING ROLL FORMING AN APPLICATION NIP WITH SAID APPLICATOR ROLL, AND SAID APPLICATION NIP ADAPTED TO PASS THERETHROUGH A WEB TO BE COATED, A METERING ROLL MOUNTED WITH THE AXIS THEREOF IN SUBSTANTIALLY THE SAME HORIZONTAL PLANE AS THE AXIS OF SAID APPLICATOR ROLL TO FORM WITH SAID APPLICATOR ROLL A METERING NIP, MEANS FOR MAINTAINING A POOL OF COATING MATERIAL ABOVE SAID METERING NIP, SAID ROLLS BEING IN AN ABUTTING RELATIONSHIP UNDER A PRESSURE OF THE ORDER OF 0 TO 100 POUNDS PER LINEAL INCH, ONE OF SAID ROLLS FORMING SAID METERING NIP HAVING A RESILIENT SURFACE, ONE OF SAID ROLLS FORMING SAID APPLICATION NIP HAVING A RESILIENT SURFACE, MEANS FOR ROTATING SAID ROLLS IN THE SAME
References Cited (Backward Citations)
US1508720A
Cited
US2199228A
Cited
US2157212A
Cited
US2252345A
Cited
US2185859A
Cited
US2678890A
Cited
US2829980A
Cited
US2842092A
Cited
US2919205A
Cited
US2870738A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |