US3006799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for applying finishing overlays to panels
Assignee: Dow Chemical Co
•
Filing: 1958-04-01
•
Granted: 1961-10-31
•
Expires: 1978-04-01
Abstract
No abstract record available.
Inventors
- 👤 Jack J Adams
- 👤 Glen L Gunderman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:36
CPC Classifications
B; B44; B44F; B44F9/00; B44F9/02; B32; B32B; B32B27/00; B44C; B44C5/00; B44C5/04; B44C5/043; B44C5/0469; D; D21; D21H; D21H27/00; D21H27/18; D21H27/22; D21H27/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A PROCESS FOR APPLYING OVERLAYS TO SUBSTRATUM HAVING AT LEAST PART OF ITS EXPOSED SURFACE COMPOSED OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF CELLULOSIC FIBERS AND MINERAL FIBERS COMPRISING THE STEPS OF (1) DEPOSITING THE POLYMERIC SOLIDS OF AN AQUEOUS LATEX OF AN ORGANIC THERMOPLASTIC MATERIAL ON A FLEXIBLE, POROUS WEB, (2) DEWATERING AND DRYING THE SO-TREATED WEB AT A TEMPERATURE BELOW THE FUSION TEMPERATURE OF SAID ORGANIC THERMOPLASTIC MATERIAL, (3) BRINGING SAID WEB OF STEP (2) AND THE SUBSTRATUM INTO COMPRESSIVE PRESSURE RELATIONSHIP AT AN ELEVATED TEMPERATURE UNTIL FUSION OF SAID ORGANIC THERMOPLASTIC MATERIAL IS COMPLETE, AND (4) RELEASING THE SO-FORMED LAMINATE FROM THE CONDITIONS OF APPLIED PRESSURE AND ELEVATED TEMPERATURE.
Claim 2
Dependent Claim
114 words
A PROCESS FOR APPLYING OVERLAYS TO SUBSTRATUM HAVING AT LEAST PART OF ITS EXPOSED SURFACE COMPOSED OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF CELLULOSIC FIBERS AND MINERAL FIBERS COMPRISING THE STEPS OF (1) DEPOSITING THE POLYMERIC SOLIDS OF AN AQUEOUS LATEX OF AN ORGANIC THERMOPLASTIC MATERIAL ON A FLEXIBLE, POROUS WEB, (2) DEWATERING AND DRYING THE SO-TREATED WEB AT A TEMPERATURE BELOW THE FUSION TEMPERATURE OF SAID ORGANIC THERMOPLASTIC MATERIAL, (3) BRINGING SAID WEB OF STEP (2) AND THE SUBSTRATUM INTO COMPRESSIVE PRESSURE RELATIONSHIP AT AN ELEVATED TEMPERATURE UNTIL FUSION OF SAID ORGANIC THERMOPLASTIC MATERIAL IS COMPLETE, AND (4) RELEASING THE SO-FORMED LAMINATE FROM THE CONDITIONS OF APPLIED PRESSURE AND ELEVATED TEMPERATURE.
References Cited (Backward Citations)
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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) | 1964-10-30 | 1965-05-01 | 1965-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-30 | 1969-05-01 | 1969-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-30 | 1973-05-01 | 1973-10-31 | $7700.00 | Window Closed / Lapsed |