US3425974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkyd resin-aminoplast resin coating composition for glass
Assignee: PPG Industries Inc
•
Filing: 1964-03-18
•
Granted: 1969-02-04
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Expires: 1984-03-18
Abstract
No abstract record available.
Inventors
- 👤 Charles V Semroc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:29
CPC Classifications
C; C09; C09D; C09D167/00; C09D167/08; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31609; Y10T428/31612; Y10T428/31616; Y10T428/31627; Y10T428/31786
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2940945A
Cited
US2990307A
Cited
US3088847A
Cited
US3066060A
Cited
US3234159A
Cited
US3223659A
Cited
US3297785A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-04 | 1972-08-05 | 1973-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-04 | 1976-08-05 | 1977-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-04 | 1980-08-05 | 1981-02-04 | $7700.00 | Window Closed / Lapsed |