Patent US4409276A successfully refreshed from Google Patents.
US4409276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal article having three-dimensional wood grain and stainable coating
Assignee: CASTLEGATE ACQUISITION Co A CORP OF DELAWARE
•
Filing: 1982-01-11
•
Granted: 1983-10-11
•
Expires: 2002-01-11
Abstract
Abstract A metal article is made to look like wood by impressing a three-dimensional wood grain pattern in its surface, coating the pattern with a translucent film, and staining the film. The stainable film is an acrylic resin filled with an extender pigment whose mean particle size is from about 5 to about 7 microns.
Inventors
- 👤 Lawrence R. Martinelli
- 👤 Geronimo E. Lat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:18
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/28; C09D133/00; C09D133/04; C09D133/06; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24364; Y10T428/24438; Y10T428/24479; Y10T428/24521; Y10T428/24537; Y10T428/24545; Y10T428/2457; Y10T428/24579; Y10T428/24628; Y10T428/31504; Y10T428/31678
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
87 words
A metal article having an integral, three-dimensional, simulated wood grain in its surface provided by forming a multitude of grooves in said surface, and applying a stainable, substantially colorless, translucent coating over said simulated wood grain, said coating comprising an acrylic resin and an extender pigment having an average particle size of about 5 to about 7 microns and a hardness on the Moh scale of no more than about 4, the ratio of extender pigment to resin is from about 1.5:1 to about 3.6:1 by weight.
Claim 2
Dependent Claim
87 words
A metal article having an integral, three-dimensional, simulated wood grain in its surface provided by forming a multitude of grooves in said surface, and applying a stainable, substantially colorless, translucent coating over said simulated wood grain, said coating comprising an acrylic resin and an extender pigment having an average particle size of about 5 to about 7 microns and a hardness on the Moh scale of no more than about 4, the ratio of extender pigment to resin is from about 1.5:1 to about 3.6:1 by weight.
Claim 3
Dependent Claim
17 words
The metal article of claim 1 characterized further in that said translucent coating carries an absorbed stain.
Claim 4
Dependent Claim
13 words
The metal article of claim 1 wherein the extender pigment is calcium carbonate.
Claim 5
Dependent Claim
13 words
The metal article of claim 1 wherein the extender pigment is zinc phosphate.
Claim 6
Dependent Claim
14 words
The metal article of claim 1 wherein the acrylic resin is a styrene/acylic copolymer.
Claim 7
Dependent Claim
22 words
The metal article of claim 1 wherein the film is deposited from a latex emulsion comprising said resin and said extender pigment.
Claim 8
Dependent Claim
15 words
The metal article of claim 1 wherein said translucent pigmented coating carries an absorbed stain.
Claim 9
Dependent Claim
15 words
The metal article of claim 7 having a pigmented primer coat under said translucent coating.
Claim 10
Dependent Claim
13 words
The metal article of claim 7 wherein said stain is an oil-based stain.
Claim 11
Dependent Claim
13 words
The metal article of claim 7 wherein said stain is a water-based stain.
Claim 12
Dependent Claim
14 words
The metal article of claim 1 or claim 2 wherein said metal is steel.
Claim 13
Dependent Claim
29 words
A steel architectural door characterized by at least one face having an embossed surface simulating a wood grain and said surface having a stainable, substantially colorless, translucent coating thereon.
Claim 14
Dependent Claim
29 words
A steel architectural door characterized by at least one face having an embossed surface simulating a wood grain and said surface having a stainable, substantially colorless, translucent coating thereon.
References Cited (Backward Citations)
US1651136A
Cited
US2248254A
Cited
US3247047A
Cited
US3692557A
Cited
US3811915A
Cited
US3776752A
Cited
US3847646A
Cited
US4022943A
Cited
US4175066A
Cited
JPS5458786A
Cited
US4210695A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-10-10 | 1987-04-11 | 1987-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-10-10 | 1991-04-11 | 1991-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-10-10 | 1995-04-11 | 1995-10-11 | $7700.00 | Window Closed / Lapsed |