US3194777A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating compositions
Assignee: PPG Industries Inc
•
Filing: 1961-05-08
•
Granted: 1965-07-13
•
Expires: 1981-05-08
Abstract
No abstract record available.
Inventors
- 👤 Roger M Christenson
- 👤 Donald P Hart
- 👤 Henry A Vogel
- 👤 Karl R Gosselink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:53
CPC Classifications
C; C09; C09D; C09D133/00; C09D133/04; C09D133/06; C09D133/10; C09D133/12; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31681; Y10T428/31688; Y10T428/31703; Y10T428/31714; Y10T428/31855; Y10T428/31859
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
AN INERT ORGANIC SOLVENT BASED COATING COMPOSITION, THE RESINOUS FILM-FORMING COMPONENT OF WHICH CONSISTS ESSENTIALLY OF AN INTERPOLYMER OF FROM ABOUT 50 PERCENT TO ABOUT 90 PERCENT BY WEIGHT OF METHYL METHACRYLATE AND 10 PERCENT TO 50 PERCENT BY WEIGHT OF AN ALKYL ESTER OF METHACRYLIC ACID IN WHICH THE ALKYL GROUP CONTAINS FROM 8 TO ABOUT 18 CARBON ATOMS, SAID INTERPOLYMER HAVING A RELATIVE VISCOSITY OF FROM 1.150 TO 1.260.
Claim 2
Dependent Claim
71 words
AN INERT ORGANIC SOLVENT BASED COATING COMPOSITION, THE RESINOUS FILM-FORMING COMPONENT OF WHICH CONSISTS ESSENTIALLY OF AN INTERPOLYMER OF FROM ABOUT 50 PERCENT TO ABOUT 90 PERCENT BY WEIGHT OF METHYL METHACRYLATE AND 10 PERCENT TO 50 PERCENT BY WEIGHT OF AN ALKYL ESTER OF METHACRYLIC ACID IN WHICH THE ALKYL GROUP CONTAINS FROM 8 TO ABOUT 18 CARBON ATOMS, SAID INTERPOLYMER HAVING A RELATIVE VISCOSITY OF FROM 1.150 TO 1.260.
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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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |