US2926100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing decorative sheet material
Assignee: Congoleum Industries Inc
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Filing: 1956-12-24
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Granted: 1960-02-23
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Expires: 1976-12-24
Abstract
No abstract record available.
Inventors
- 👤 William C Weigle
- 👤 Walter E Benedict
- 👤 Joseph F Dobry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:19
CPC Classifications
D; D06; D06Q; D06Q1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
192 words
A METHOD OF PRODUCING DECORATIVE SHEET MATERIAL WHICH COMPRISES THE STEPS OF HEATING A LAYER OF IMPREGNOTED FELD BACKING BY PASSING SAID BACKING OVER A HEATED BACK ROLL OF TWO-ROLL CALENDER AND PASSING SAID HEATED BACKING TOGETHER WITH HEATED PARTICLES OF VINYL COMPOSITION HAVING A SOFTENING POINT OF BETWEEN 200* F. AND 350* F. TO THE NIP BETWEEN SAID HEATED BACK ROLL AND A HEATED FRONT ROLL OF SAID CALENDER, SAID PARTICLES AND SAID ROLLS BEING AT TEMPERATURES OF ABOUT THE SOFTENING POINT TEMPERATURE OF SAID COMPOSITION, THEREBY SIMULTANEOUSLY FORMING THE COMPOSITION INTO A SMOOTH THIN INTEGRAL LAYER AND BONDING IT TO THE BACKING AT SAID NIP, SAID COMPOSITION COMPRISING 15 PERCENT TO 50 PERCENT TO 25 PERCENT TO 75 PERCENT FILLER AND 5 PERCENT TO 25 PERCENT PLASTICIZER, SAID IMPREGNATED FELT BACKING HAVING A TENSILE STRENGTH AT THE SOFTENING POINT TEMPERATURE OF SAID COMPOSITION OF AT LEAST 100 POUNDS FOR A STRIP ONE INCH IN WIDTH BY BEING IMPREGNATED WITH FROM ABOUT 3 PERCENT TO ABOUT 25 PERCENT OF ITS WEIGHT OF A STRENGTHENING IMPREGNANT PREPARED BY POLYMERIZING COMPOUNDS HAVING FROM 2 TO 10 CARBON ATOMS WHICH CONTAIN A VINYL GROUP.
Claim 2
Independent Claim
192 words
A METHOD OF PRODUCING DECORATIVE SHEET MATERIAL WHICH COMPRISES THE STEPS OF HEATING A LAYER OF IMPREGNOTED FELD BACKING BY PASSING SAID BACKING OVER A HEATED BACK ROLL OF TWO-ROLL CALENDER AND PASSING SAID HEATED BACKING TOGETHER WITH HEATED PARTICLES OF VINYL COMPOSITION HAVING A SOFTENING POINT OF BETWEEN 200* F. AND 350* F. TO THE NIP BETWEEN SAID HEATED BACK ROLL AND A HEATED FRONT ROLL OF SAID CALENDER, SAID PARTICLES AND SAID ROLLS BEING AT TEMPERATURES OF ABOUT THE SOFTENING POINT TEMPERATURE OF SAID COMPOSITION, THEREBY SIMULTANEOUSLY FORMING THE COMPOSITION INTO A SMOOTH THIN INTEGRAL LAYER AND BONDING IT TO THE BACKING AT SAID NIP, SAID COMPOSITION COMPRISING 15 PERCENT TO 50 PERCENT TO 25 PERCENT TO 75 PERCENT FILLER AND 5 PERCENT TO 25 PERCENT PLASTICIZER, SAID IMPREGNATED FELT BACKING HAVING A TENSILE STRENGTH AT THE SOFTENING POINT TEMPERATURE OF SAID COMPOSITION OF AT LEAST 100 POUNDS FOR A STRIP ONE INCH IN WIDTH BY BEING IMPREGNATED WITH FROM ABOUT 3 PERCENT TO ABOUT 25 PERCENT OF ITS WEIGHT OF A STRENGTHENING IMPREGNANT PREPARED BY POLYMERIZING COMPOUNDS HAVING FROM 2 TO 10 CARBON ATOMS WHICH CONTAIN A VINYL GROUP.
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) | 1963-02-22 | 1963-08-24 | 1964-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-22 | 1967-08-24 | 1968-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-22 | 1971-08-24 | 1972-02-23 | $7700.00 | Window Closed / Lapsed |