US3510343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Durable metal oxide coated glass articles
Assignee: PPG Industries Inc
•
Filing: 1967-07-12
•
Granted: 1970-05-05
•
Expires: 1987-07-12
Abstract
No abstract record available.
Inventors
- 👤 Robert G Twells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:11
CPC Classifications
C; C03; C03C; C03C4/00; C03C17/00; C03C17/34; C03C17/3411; C23; C23D; C23D5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2587152A
Cited
US2624823A
Cited
US2901379A
Cited
US3051589A
Cited
US3035937A
Cited
US3418156A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |