Patent US2631946A successfully refreshed from Google Patents.
US2631946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making asphalt impregnated floor covering
Assignee: Schueler Engineering Co
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Filing: 1948-09-16
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Granted: 1953-03-17
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Expires: 1968-09-16
Abstract
No abstract record available.
Inventors
- 👤 Fred C Schueler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:33
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/61; D21H27/00; D21H27/02; D21H5/00; D21H5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
THE PROCESS OF CONTINUOUSLY PRODUCING A WEB OF FLOOR COVERING MATERIAL HAVING A HARD, PLIABLE LAYER OF DECORATIVE, THERMO SET, PLASTIC, BONDED TO AN ASPHALT-IMPREGNATED BACKING WEB WHICH COMPRISES THE STEPS OF SUCCESSIVELY DEPOSITING A LAYER OF FLOWABLE, THERMO SETTING PLASTIC, IN DECORATIVE PATTERNS, ON ONE SURFACE OF A CONTINUOUSLY MOVING, ASPHALT-PERMEABLE BACKING WEB; SUBJECTING THE MOVING WEB, AND ITS LAYER OF THERMO SETTING PLASTIC, TO HEAT SUFFICIENT TO SET THE PLASTIC INTO A HARD, PLIABLE, DECORATIVE, LAYER BONDED TO THE WEB; COATING A LAYER OF FLOWABLE ASPHALT ONLY ON THE OPPOSITE UNCOATED SURFACE OF SAID CONTINUOUSLY MOVING WEB WITHOUT CONTACTING THE DECORATIVE PLASTIC SURFACE THEREOF WITH SAID ASPHALT AND SUBJECTING THE MOVING WEB, AND ITS PLASTIC AND ASPHALT LAYERS, TO HEAT SUFFICIENT TO LIQUIFY THE ASPHALT AND TO CAUSE IT TO IMPREGNATE THE BACKING WEB.
Claim 2
Dependent Claim
136 words
THE PROCESS OF CONTINUOUSLY PRODUCING A WEB OF FLOOR COVERING MATERIAL HAVING A HARD, PLIABLE LAYER OF DECORATIVE, THERMO SET, PLASTIC, BONDED TO AN ASPHALT-IMPREGNATED BACKING WEB WHICH COMPRISES THE STEPS OF SUCCESSIVELY DEPOSITING A LAYER OF FLOWABLE, THERMO SETTING PLASTIC, IN DECORATIVE PATTERNS, ON ONE SURFACE OF A CONTINUOUSLY MOVING, ASPHALT-PERMEABLE BACKING WEB; SUBJECTING THE MOVING WEB, AND ITS LAYER OF THERMO SETTING PLASTIC, TO HEAT SUFFICIENT TO SET THE PLASTIC INTO A HARD, PLIABLE, DECORATIVE, LAYER BONDED TO THE WEB; COATING A LAYER OF FLOWABLE ASPHALT ONLY ON THE OPPOSITE UNCOATED SURFACE OF SAID CONTINUOUSLY MOVING WEB WITHOUT CONTACTING THE DECORATIVE PLASTIC SURFACE THEREOF WITH SAID ASPHALT AND SUBJECTING THE MOVING WEB, AND ITS PLASTIC AND ASPHALT LAYERS, TO HEAT SUFFICIENT TO LIQUIFY THE ASPHALT AND TO CAUSE IT TO IMPREGNATE THE BACKING WEB.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |