US3457106A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal-tungsten bronze films
Assignee: PPG Industries Inc
•
Filing: 1966-12-21
•
Granted: 1969-07-22
•
Expires: 1986-12-21
Abstract
No abstract record available.
Inventors
- 👤 Frank H Gillery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:20
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/06; C23C14/08; C23C14/088; C03; C03C; C03C17/00; C03C17/22; C03C17/23; C03C17/245; C23C14/58; C23C14/5806; C23C14/5846; C03C2217/00; C03C2217/20; C03C2217/21; C03C2217/219; C03C2217/23; C03C2218/00; C03C2218/10; C03C2218/11; C03C2218/15; C03C2218/151; C03C2218/17; C03C2218/30; C03C2218/32; Y; Y10; Y10S; Y10S359/00; Y10S359/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2704420A
Cited
US2952575A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |