Patent US2993828A successfully refreshed from Google Patents.
US2993828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for forming an impregnated fiber product
Assignee: Texon Inc
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Filing: 1960-03-15
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Granted: 1961-07-25
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Expires: 1980-03-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Harold A Krumsiek
- 👤 George D Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:35
CPC Classifications
D; D21; D21F; D21F11/00; D21F11/02; D21H; D21H23/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
THE PROCESS OF FORMING AN IMPREGNATED FIBER PRODUCT, COMPRISING THE STEPS OF CONTINUOUSLY FORMING A MOVING WEB FROM AN AQUEOUS SLURRY OF FIBERS OF VARIOUS LENGTHS AND INCLUDING FINELY DIVIDED SOLIDS IN SUSPENSION, BY SUPPLYING SAID SLURRY TO A PAPER-MAKING MACHINE HAVING AN ENDLESS WIRE FABRIC ON WHICH THE WEB IS FORMED, MOVING SAID ENDLESS WIRE FABRIC CONTINUOUSLY WHILE EXTRACTING WATER THERETHROUGH FROM SAID SLURRY, SO AS TO FORM A WEB HAVING A WIRE-ENGAGING PORTION OF ITS THICKNESS CONTAINING A MAT OF SOME OF THE LONGER OF SAID FIBERS AND ALSO CONTAINING A MAJOR PORTION OF THE SMALLER FIBERS AND OF SAID SOLIDS, CHANGING THE DIRECTION OF MOVEMENT OF SAID WEB, SO THAT SAID WIRE-ENGAGING PORTION THEREOF IS UPPERMOST, PASSING THE WEB AS THUS CHANGED IN ITS DIREC-
Claim 2
Dependent Claim
128 words
THE PROCESS OF FORMING AN IMPREGNATED FIBER PRODUCT, COMPRISING THE STEPS OF CONTINUOUSLY FORMING A MOVING WEB FROM AN AQUEOUS SLURRY OF FIBERS OF VARIOUS LENGTHS AND INCLUDING FINELY DIVIDED SOLIDS IN SUSPENSION, BY SUPPLYING SAID SLURRY TO A PAPER-MAKING MACHINE HAVING AN ENDLESS WIRE FABRIC ON WHICH THE WEB IS FORMED, MOVING SAID ENDLESS WIRE FABRIC CONTINUOUSLY WHILE EXTRACTING WATER THERETHROUGH FROM SAID SLURRY, SO AS TO FORM A WEB HAVING A WIRE-ENGAGING PORTION OF ITS THICKNESS CONTAINING A MAT OF SOME OF THE LONGER OF SAID FIBERS AND ALSO CONTAINING A MAJOR PORTION OF THE SMALLER FIBERS AND OF SAID SOLIDS, CHANGING THE DIRECTION OF MOVEMENT OF SAID WEB, SO THAT SAID WIRE-ENGAGING PORTION THEREOF IS UPPERMOST, PASSING THE WEB AS THUS CHANGED IN ITS DIREC-
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) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |