US3492256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resinous coating compositions containing alkyd-amine resins
Assignee: PPG Industries Inc
•
Filing: 1967-10-24
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Granted: 1970-01-27
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Expires: 1987-10-24
Abstract
No abstract record available.
Inventors
- 👤 Erwin J Kapalko
- 👤 Richard A Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:24
CPC Classifications
C; C09; C09D; C09D161/00; C09D161/18; C08; C08L; C08L63/00; C09D167/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31525; Y10T428/31529; Y10T428/31786
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2579331A
Cited
US2816084A
Cited
US2825712A
Cited
US3133032A
Cited
FR1370404A
Cited
US3245925A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-26 | 1973-07-28 | 1974-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-26 | 1977-07-28 | 1978-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-26 | 1981-07-28 | 1982-01-27 | $7700.00 | Window Closed / Lapsed |