US3536640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methylol phenol ether modified alkydamine resin coating compositions
Assignee: PPG Industries Inc
•
Filing: 1967-10-24
•
Granted: 1970-10-27
•
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
2026-11-02 21:12
CPC Classifications
C; C08; C08L; C08L61/00; C08L61/34; C09; C09D; C09D167/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2579330A
Cited
US2606929A
Cited
US2579331A
Cited
US2707715A
Cited
DE1094899B
Cited
US3061579A
Cited
US3133032A
Cited
US3108083A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |