US3718496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textured caul plate surfaced with furnace cement
Assignee: Formica Corp
•
Filing: 1970-11-16
•
Granted: 1973-02-27
•
Expires: 1990-11-16
Abstract
Abstract A design imparting plate which used in the manufacture of decorative laminates is produced by the process of applying a coating of a viscous cementitious material onto a rigid metal plate; sculpturing a three dimensional design thereon and then heating the coated plate to permanently affix the sculpture design to the base plate.
Inventors
- 👤 J Willard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:33
CPC Classifications
B; B44; B44C; B44C1/00; B44C1/18; B44C3/00; B44C3/04; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24438; Y10T428/24479; Y10T428/24612
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
14 words
The process according to claim 1 in which said metal base plate is steel.
Claim 2
Dependent Claim
33 words
The process according to claim 1 in which said plate is machined to provide a uniform distance between the base plate and the tops of the protuberances of said hard coated design surface.
Claim 3
Dependent Claim
25 words
The process according to claim 1 in which said coated plate is heated in an air circulated oven for at least 16 hours at 80*C.
Claim 4
Dependent Claim
24 words
The process according to claim 1 in which the said coated plate is heated in an air circulated oven for 48 hours at 100*C.
Claim 5
Dependent Claim
73 words
An article of manufacture for use in imparting textured designs to decorative laminates comprising a flat rectangular rigid metal plate coated on one flat broad surface thereof with a refractory cementitious coating composition, which is asbestos furnace cement comprised of (a) asbestos fibers and (b) a sodium silicate aqueous solution, in a sculptured design wherein said coating composition is tenaciously and securely bonded to said surface as a hard fracture-resistant layer by baking.
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US2251824A
Cited
US2388299A
Cited
US2971753A
Cited
US2890492A
Cited
US2989418A
Cited
US3311520A
Cited
US3487133A
Cited
US3546909A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-27 | 1976-08-28 | 1977-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-27 | 1980-08-28 | 1981-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-27 | 1984-08-28 | 1985-02-27 | $7700.00 | Window Closed / Lapsed |