US3457138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transparent copper coated glass articles and improved electroless method for producing said articles
Assignee: PPG Industries Inc
•
Filing: 1967-05-05
•
Granted: 1969-07-22
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Expires: 1987-05-05
Abstract
No abstract record available.
Inventors
- 👤 Richard G Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:26
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/06; C03C17/10; B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10009; B32B17/10036; B32B17/10165; B32B17/10174; B32B17/1055; B32B17/10761; C23; C23C; C23C18/00; C23C18/16; C23C18/18; C23C18/1851; C23C18/1862; C23C18/1865; C23C18/1872; C23C18/1886; C23C18/1889; C23C18/31; C23C18/38; C23C18/40; C23C18/405; C23C18/42; C23C18/44; F; F24; F24S; F24S80/00; F24S80/50; F24S80/52; F24S2080/501; F24S2080/502; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31627; Y10T428/3163
Claims Analysis
Total Claims: 0
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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 |