Patent US3975561A successfully refreshed from Google Patents.
US3975561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photopolymer image inlays
Assignee: Individual
•
Filing: 1974-11-21
•
Granted: 1976-08-17
•
Expires: 1994-11-21
Abstract
Abstract Photopolymeric image inlay articles comprising a photopolymeric image inlaid into a resilient polyester resin coated matrix of a solidified synthetic rock-like mixture.
Inventors
- 👤 Richard C. Knudson
- 👤 John R. Bolton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:12
CPC Classifications
B; B44; B44F; B44F9/00; B44F9/04; G; G03; G03F; G03F7/00; Y; Y10; Y10T; Y10T428/00; Y10T428/16; Y10T428/162; Y10T428/24; Y10T428/24628; Y10T428/24736; Y10T428/24802; Y10T428/24835; Y10T428/24893; Y10T428/24901; Y10T428/25; Y10T428/31504; Y10T428/31786; Y10T428/31794
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
42 words
A solid photopolymeric image inlay article comprising a solidified synthetic rock-like matrix of a mixture of a filler material and a thermosetting resin coated with a thin layer of a resilient polyester resin said coated matrix having inlaid therein a photopolymeric image.
Claim 2
Dependent Claim
42 words
A solid photopolymeric image inlay article comprising a solidified synthetic rock-like matrix of a mixture of a filler material and a thermosetting resin coated with a thin layer of a resilient polyester resin said coated matrix having inlaid therein a photopolymeric image.
Claim 3
Dependent Claim
19 words
The article according to claim 1 wherein the resilient polyester coating layer is from 0.010 to 0.020 inches thick.
Claim 4
Dependent Claim
18 words
The article according to claim 2 wherein the photopolymeric image inlay is from 0.004 to 0.020 inches thick.
Claim 5
Dependent Claim
13 words
The article according to claim 3 wherein the filler material is a mineral.
Claim 6
Dependent Claim
15 words
The article according to claim 3 wherein the thermosetting resin is a crosslinked polyester resin.
Claim 7
Dependent Claim
16 words
The article according to claim 4 wherein the mineral is a carbonate of magnesium and calcium.
Claim 8
Dependent Claim
11 words
The article according to claim 6 wherein the mineral is dolomite.
Claim 9
Dependent Claim
15 words
The article according to claim 7 wherein the rock-like matrix has the appearance of marble.
Claim 10
Dependent Claim
24 words
The article according to claim 8 wherein the photopolymeric image is made up of a mixture comprising polyvinyl acetate, polyvinyl alcohol, and dibutyl phthalate.
Claim 11
Dependent Claim
29 words
The article according to claim 5 wherein the crosslinked polyester resin contains about 50-95% by of a polyester condensate and 5-50% by weight of styrene as the crosslinking monomer.
References Cited (Backward Citations)
US3429732A
Cited
US3620812A
Cited
US3660211A
Cited
US3926640A
Cited
US3935330A
Cited
US3933746A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-08-17 | 1980-02-16 | 1980-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-17 | 1984-02-16 | 1984-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-17 | 1988-02-16 | 1988-08-17 | $7700.00 | Window Closed / Lapsed |