US2934512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating composition of methyl methacrylate polymer, copper bronze pigment, and transparent colored pigment and article coated therewith
Assignee: EIDP Inc
•
Filing: 1954-09-20
•
Granted: 1960-04-26
•
Expires: 1974-09-20
Abstract
No abstract record available.
Inventors
- 👤 Henry W Godshalk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:29
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/38; C09D133/00; C09D133/04; C09D133/06; C09D133/10; C09D133/12; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31699
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A NON-GELLING LIQUID COATING COMPOSITION WHICH ON DRYING YIELDS A DURABLE NON-TARNISHING FILM, COMPRISING A POLYMER OF METHYL METHACRYLATE HAVING A MOLECULAR WEIGHT OF 55,000-105,000, SOLVENT THEREFOR, TRANSPARENT COLORED PIGMENT, AND 0.5-35% OF COPPER BRONZE FLAKE PIGMENT, BASED ON THE TOTAL WEIGHT OF THE NON-VOLATILE COMPONENTS.
Claim 2
Dependent Claim
46 words
A NON-GELLING LIQUID COATING COMPOSITION WHICH ON DRYING YIELDS A DURABLE NON-TARNISHING FILM, COMPRISING A POLYMER OF METHYL METHACRYLATE HAVING A MOLECULAR WEIGHT OF 55,000-105,000, SOLVENT THEREFOR, TRANSPARENT COLORED PIGMENT, AND 0.5-35% OF COPPER BRONZE FLAKE PIGMENT, BASED ON THE TOTAL WEIGHT OF THE NON-VOLATILE COMPONENTS.
References Cited (Backward Citations)
US1980483A
Cited
US2078808A
Cited
US2063078A
Cited
US2204517A
Cited
US2731436A
Cited
GB709952A
Cited
US2892804A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |