US2490263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing low light reflecting films on glass surfaces
Assignee: Libbey Owens Ford Glass Co
•
Filing: 1943-01-20
•
Granted: 1949-12-06
•
Expires: 1963-01-20
Abstract
No abstract record available.
Inventors
- 👤 Romey A Gaiser
- 👤 Milton F Schaible
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:07
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; C; C03; C03C; C03C15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2137683A
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US2281475A
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US2369741A
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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) | 1952-12-05 | 1953-06-06 | 1953-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-05 | 1957-06-06 | 1957-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-05 | 1961-06-06 | 1961-12-06 | $7700.00 | Window Closed / Lapsed |